The Noble gas shortcut electron configuration is a way of summarizing the information about the electrons of an atom which shows only the electrons most relevant for understanding the chemistry of the element. Here is a video which discusses how to write the Noble gas shortcut electron configuration for magnesium and lead.How Many Valence Electrons Are in K? The potassium Number of Valence Electron is nineteen since Potassium is the alkali metal. Ground State Electron Configuration for K The ground state …That is, potassium is a cation element. K – e – → K +. The electron configuration of potassium ion (K +) is 1s 2 2s 2 2p 6 3s 2 3p 6. The electron configuration of potassium-ion shows that potassium ion have three shells and the last shell has eight electrons. How to draw an electron configuration diagram. Find the element on the periodic table. The atomic number tells you how many electrons to draw in total. For example, potassium has 19 electrons. Draw a small circle and write the symbol in the centre. This represents the nucleus.Thus, potassium has an electron configuration of [Ar]4s 1. Hence, potassium corresponds to Li and Na in its valence shell configuration. The next electron is added to complete the 4s subshell and calcium has an electron configuration of [Ar]4s 2. This gives calcium an outer-shell electron configuration corresponding to that of …May 30, 2018 · How do you write the noble-gas electron configuration for potassium? Chemistry Electron Configuration Electron Configuration. 1 Answer anor277 May 30, 2018 ... The electron configuration of bromine is 1s2 2s2p6 3s2p6d10 4s2p5, which can be shortened to [Ar] 4s2 3d10 4p5. The electron configuration indicates that bromine has a total of 35 ...A p orbital in the fourth shell and we have one electron so we can write 4p1. And so this is one way to represent the electron configuration for gallium using noble gas notation. So argon 4s2 3d10 4p1. Sometimes you might see the 3d10 and the 4s switched in terms of their orders. You might see 3d10, 4s2, 4p1.It’s always a challenge to get into the tiny spaces of your small gadgets. Coupled with the fact that you (very often) cannot use water to clean them, we often end up with cruddy a...Electron configuration: [Ar]4s1 Oxidation state: 1 Crystal structure: cubic body centered. Potassium, the second lightest metal, was discovered by Sir Humphry Davy in 1807. It reacts violently with water and can even catch fire spontaneously in water. It can be found bound to other elements in seawater and minerals, and is needed for plant growth.Electron configuration of Carbon (C) [He] 2s 2 2p 2: 1s 2 2s 2 2p 2: 2, 4: 7: Electron configuration of Nitrogen (N) [He] 2s 2 2p 3: 1s 2 2s 2 2p 3: 2, 5: 8: Electron …Figure 9.6.5: Electrons are added to atomic orbitals in order from low energy (bottom of the graph) to high (top of the graph) according to the Aufbau principle. Principle energy levels are color coded, while sublevels are grouped together and each circle represents an orbital capable of holding two electrons.The electron configuration for phosphorus is 1s 2 2s 2 2p6 3 s2 3p3 and the orbital diagram is drawn below. 1.4: Electron Configurations and Electronic Orbital Diagrams (Review) is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by LibreTexts. The electron configuration of an atom indicates the number of valence ... Consequently, the electron configuration of potassium, which begins the fourth period, is [Ar]4s 1, and the configuration of calcium is [Ar]4s 2. Five 3d orbitals are filled by the next 10 elements, the transition metals, followed by three 4p orbitals. Notice that the last member of this row is the noble gas krypton (Z = 36), [Ar]4s 2 3d 10 4p 6 = [Kr], which has filled …Aug 26, 2023 ... It is a quick video on the electronic configuration of Na and K for IX grade students. Concepts covered: 1. Electronic configuration of ...That is, potassium is a cation element. K – e – → K +. The electron configuration of potassium ion (K +) is 1s 2 2s 2 2p 6 3s 2 3p 6. The electron configuration of potassium-ion shows that potassium ion have three shells and the last shell has eight electrons. If you’re on a potassium-restricted diet, it’s important to stick with foods that are going to help you stay on track and feel your best. Learn more about some common foods that ar...Electron configuration of Potassium: In atomic physics and quantum chemistry, electron configuration is the distribution of the electrons of an atom or molecule into atomic or molecular orbitals. facebook. twitter. pinterest. whatsapp. reddit. linkedin. Elements. Latest articles from : Elements. Comments.PROBLEM 3.1.12 3.1. 12. In one area of Australia, the cattle did not thrive despite the presence of suitable forage. An investigation showed the cause to be the absence of sufficient cobalt in the soil. Cobalt forms cations in two oxidation states, Co 2+ and Co 3+. Write the electron structure of the two cations. Answer. Summary. The atomic number of potassium is 19 and each potassium atom has 19 protons. Potassium is one of the alkali metals, which means it is a highly reactive metal with a valence of 1. The electron configuration of Potassium is …Thus, potassium has an electron configuration of [Ar]4s 1. Hence, potassium corresponds to Li and Na in its valence shell configuration. The next electron is added to complete the 4s subshell and calcium has an electron configuration of [Ar]4s 2. This gives calcium an outer-shell electron configuration corresponding to that of beryllium and ... The electron configuration of this titanium ion (Ti 3+) is 1s 2 2s 2 2p 6 3s 2 3p 6 3d 1. The titanium atom donates two electrons in 4s orbital and two electrons in 3d orbital to convert to titanium ion (Ti 4+ ). Ti – 4e – → Ti 4+. The electron configuration of this titanium ion (Ti 4+) is 1s 2 2s 2 2p 6 3s 2 3p 6.Potassium is a chemical element of the periodic table with chemical symbol K and atomic number 19 with an atomic weight of 39.0983 u and is classed as alkali metal and is part of group 1 (alkali metal). Potassium is solid at room temperature. Argon Periodic table Calcium. Jan 21, 2021 · Potassium Electron Configuration: Potassium is a chemical element. Its symbol is K that is taken from Neo-Latin kalium. The atomic number of potassium is 19. Firstly it was isolated from potash and the ashes of plants, from where its name is derived. In the periodic table. Potassium (K) is one of the alkali metals. This give us the (correct) configuration of: For the Cu+ ion we remove one electron from 4s1 leaving us with: 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10. For the Cu2+ ion we remove a total of two electrons (one from the 4s1 and one form the 3d10) leaving us with. The configuration notation provides an easy way for scientists to write and communicate how ... Aug 14, 2020 · Thus, potassium has an electron configuration of [Ar]4s 1. Hence, potassium corresponds to Li and Na in its valence shell configuration. The next electron is added to complete the 4s subshell and calcium has an electron configuration of [Ar]4s 2. This gives calcium an outer-shell electron configuration corresponding to that of beryllium and ... electron shell. For potassium, only one electron is added to this shell. Draw a circle around the nucleus. This is the first electron shell. Draw another circle around the second electron shell. This is the third shell. Use these steps to draw electron configuration diagrams of the first 20 elements. Add up to two electrons to the first ...Write the complete electron configuration for Hg2+. Give the noble gas electron configuration of potassium (K). Write the complete electron configuration for germanium. Write the full electron configuration for cesium. Write the full electron configuration (1s^2 2s^2 and so on) for each of the following elements. a.Potassium. 19. 39.098. Glossary. GroupA vertical column in the periodic table. Members of a group typically have similar properties and electron configurations in their outer shell. PeriodA horizontal row in the periodic table. The atomic number of each element increases by one, reading from left to right.In this case, 2+2+6+2+6+2+10+6+2+1= 39 and Z=39, so the answer is correct. A slightly more complicated example is the electron configuration of bismuth (symbolized Bi, with Z = 83). The periodic table gives the following electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p65s2 4d10 5p6 6s2 4f14 5d10 6p3. Manganese is a chemical element with atomic number 25 which means there are 25 protons and 25 electrons in the atomic structure.The chemical symbol for Manganese is Mn. Electron Configuration and Oxidation States of Manganese. Electron configuration of Manganese is [Ar] 3d5 4s2. Possible oxidation states are +2,3,4,7. …Electron Configurations are an organized means of documenting the placement of electrons based upon the energy levels and orbitals groupings of the periodic table. The electron configuration for the first 10 elements. H …So that's the electron configuration for silicon. Now, we can write it out using noble gas notation. And compare, so, the noble gas immediately preceding silicon, if we go up a row and then move over, we see that it's neon. So we write neon in brackets. And then, the other electrons are the ones that come after neon. How to draw an electron configuration diagram. Find the element on the periodic table. The atomic number tells you how many electrons to draw in total. For example, potassium has 19 electrons. Draw a small circle and write the symbol in the centre. This represents the nucleus.Jan 9, 2024 · The Potassium has 19 electrons out of which 18 are from the argon gas configuration and the remaining one electron is filled in 4s. Potassium unabbreviated electron configuration In the Unabbreviated electronic configuration, the ground state electronic configuration of the potassium atom is as follows: 1s 2s 2p 3s 3p 3d 4s. Potassium has an electronic configuration of 2, 8, 8, 1. Only eight electrons should be required in the last shell, which contains one electron. Potassium ...The periodic table can be a powerful tool in predicting the electron configuration of an element. However, we do find exceptions to the order of filling of orbitals that are shown in Figure 4.1.3 or Figure 4.1.4.For instance, the electron configurations (shown in Figure 4.1.6) of the transition metals chromium ([latex]\ce{Cr}[/latex]; atomic number 24) and copper …The electron configuration of bromide ion(Br –) is 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2 4p 6. The electron configuration of bromide ion(Br –) shows that the bromide ion acquired the electron configuration of krypton. Bromine atom exhibit -1, +1, +3, +5 oxidation states. The oxidation state of the element changes depending on the bond formation.Nov 7, 2016 ... Electron Configuration for Potassium. 1.5K views · 7 years ago ...more. Isabella Eslick. 8. Subscribe. 8 subscribers. 8. Share. Save. Report ...Potassium has one valence electron. Valence electrons are the electrons found in an atom’s outer energy level. Potassium has an atomic number of 19, which means one neutral atom of...RetroPie is our favorite image for turning your Raspberry Pi into a retro video game station, and today it gets a bunch of great features. RetroPie is our favorite image for turnin...The electron configuration of Krypton is [Ar] 3d¹⁰ 4s² 4p⁶. Krypton, also written krypton, is a chemical element that belongs to the periodic table. Its atomic number is 36 and it is represented by the symbol Kr. Krypton is an odorless, noble and tasteless gas, it has little reactivity. It is characterized by being a spectrum with very ...Do you know how to configure a printer or scanner in Windows 7? Find out how to configure a printer in Windows 7 in this article from HowStuffWorks. Advertisement Printers and scan...These electron configurations make helium and neon very stable. Although argon does not technically have a full outer shell, since the 3n shell can hold up to eighteen electrons, it is stable like neon and helium because it has eight electrons in the 3n shell and thus satisfies the octet rule. In contrast, chlorine has only seven electrons in its outermost …Feb 23, 2012 ... Potassium has the same electron configuration as argon \begin{align*}+ 1\end{align*} electron. We can make this point when we write electronic ...4.6 Electronic configuration (ESABE) The energy of electrons (ESABF). The electrons of an atom all have the same charge and the same mass, but each electron has a different amount of energy.Electrons that have the lowest energy are found closest to the nucleus (where the attractive force of the positively charged nucleus is the greatest) and the …What is the valence electron configuration for potassium? Medium. View solution > What is the electron configuration of F ...Therefore, beryllium is a cation element. Be – 2e – → Be 2+. Here, the electron configuration of beryllium ion (Be 2+) is 1s 2. This electron configuration shows that the beryllium ion (Be 2+) acquired the electron configuration of helium and it achieves a stable electron configuration.Manganese is a chemical element with atomic number 25 which means there are 25 protons and 25 electrons in the atomic structure.The chemical symbol for Manganese is Mn. Electron Configuration and Oxidation States of Manganese. Electron configuration of Manganese is [Ar] 3d5 4s2. Possible oxidation states are +2,3,4,7. …The full electron configuration of potassium is 1s 2 2s 2 2p 6 3s 2 3p 6 4s 1; Shorthand Electron Configurations. Using potassium as an example again: The nearest preceding noble gas to potassium is argon; This accounts for 18 electrons of the 19 electrons that potassium has; The shorthand electron configuration of potassium is [Ar] 4s 1 To find the electron configuration for an ion, first identify the configuration for the neutral atom. Then, add or remove electrons depending on the ion's charge. For example, to find the configuration for the lithium ion (Li⁺), start with neutral lithium (1s²2s¹). Then, since the lithium ion has one less electron, remove an electron from ... None of these. Answer. Exercise 7.3.13 7.3. 13. Hund's rule states that the most stable arrangement of electrons (for a ground state electron configuration) has a filled valence shell of electrons. has three electrons per orbital, each with identical spins. has values greater than or equal to +1.Figure 9.6.5: Electrons are added to atomic orbitals in order from low energy (bottom of the graph) to high (top of the graph) according to the Aufbau principle. Principle energy levels are color coded, while sublevels are grouped together and each circle represents an orbital capable of holding two electrons.Therefore, the electron configuration of Potassium will be 1s 2 2s 2 2p 6 3s 2 3p 6 4s 1. That’s all, It is the simplest method to write the electron configuration for a given element. For the first 30 elements in the periodic table, we must know How to find their electron configuration. The electron configuration for the first 30 elements –To find the electron configuration for an ion, first identify the configuration for the neutral atom. Then, add or remove electrons depending on the ion's charge. For example, to find the configuration for the lithium ion (Li⁺), start with neutral lithium (1s²2s¹). Then, since the lithium ion has one less electron, remove an electron from ...Figure 6.8.9: Orbital filling diagrams for hydrogen, helium, and lithium. According to the Aufbau process, sublevels and orbitals are filled with electrons in order of increasing energy. Since the s sublevel consists of just one orbital, the second electron simply pairs up with the first electron as in helium. In this video we will write the electron configuration for K+, the Potassium ion. We’ll also look at why Potassium forms a 1+ ion and how the electron config... Electron Configuration and Oxidation States of Potassium. Electron configuration of Potassium is [Ar] 4s1. Possible oxidation states are +1. Electron Configuration. The periodic table is a tabular display of the chemical elements organized on the basis of their atomic numbers, electron configurations, and chemical properties.The arrangement of electrons in various energy levels of an element is called electronic configuration. The maximum number of electrons which can be accommodated in any shell of an atom is given by 2n2. Atomic number of potassium = 19. Electronic configuration = 2,8,8,1 (K- shell = 2 electrons, L-shell = 8 electrons, M - shell = 8 electron, N ...Then two electrons will enter the 3s orbital of the third orbit and the remaining six electrons will be in the 3p orbital. Therefore, the argon complete electron configuration will be 1s 2 2s 2 2p 6 3s 2 3p 6. Argon electron configuration. Note: The unabbreviated electron configuration of argon is [ Ne] 3s 2 3p 6.After arranging the electrons, it is seen that the last shell of the potassium atom has an electron. Therefore, the valence electrons of potassiumare one. The elements that have 1, 2, or 3 electrons in the last shell donate the electrons in the last shell during bond formation. The elements that form bonds by donating … See moreThe easiest way to create electron configurations is using an electron configuration table, which is a way of writing down the various orbitals available to electrons. This table is easy to remember, and it makes it possible to generate the electron configuration table for any given element. It looks something like this. Therefore, the electron configuration of Potassium will be 1s 2 2s 2 2p 6 3s 2 3p 6 4s 1. That’s all, It is the simplest method to write the electron configuration for a given element. For the first 30 elements in the periodic table, we must know How to find their electron configuration. The electron configuration for the first 30 elements –The electron configuration for phosphorus is 1s 2 2s 2 2p6 3 s2 3p3 and the orbital diagram is drawn below. 1.4: Electron Configurations and Electronic Orbital Diagrams (Review) is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by LibreTexts. The electron configuration of an atom indicates the number of …So that's the electron configuration for silicon. Now, we can write it out using noble gas notation. And compare, so, the noble gas immediately preceding silicon, if we go up a row and then move over, we see that it's neon. So we write neon in brackets. And then, the other electrons are the ones that come after neon. Nov 16, 2022 ... Potassium ; State, Solid (at 20 °C) ; Electronic configuration, [Ar] 4s ; Melting point, 63.5 °C or 336 K ; Boiling point, 759 °C or 1032 K ; Density ...That wouldn't be true if the outer electron in potassium was 3d 1. s- and p-block elements. The elements in Group 1 of the Periodic Table all have an outer electronic structure of ns 1 (where n is a number between 2 and 7). All Group 2 elements have an outer electronic structure of ns 2. Elements in Groups 1 and 2 are described as s-block elements.In several cases, the ground state electron configurations are different from those predicted by Figure 6.8.1 6.8. 1. Some of these anomalies occur as the 3 d orbitals are filled. For example, the observed ground state electron configuration of chromium is [Ar]4 s1 3 d5 rather than the predicted [Ar]4 s2 3 d4. The electron configuration of Potassium is 1s 2 2s 2 2p 6 3s 2 3p 6 4s 1. Potassium atom requires one more valence electron in its s-orbital to attain noble gas configuration. What is the complete electron configuration of Potassium? Potassium has 19 electrons so the full electronic configuration is: 1s 2 2s 2 2p 6 3s 2 3p 6 4s 1. The 4s orbital is lower in energy than the 3d subshell and is therefore filled first; The nearest preceding noble gas to potassium is argon which accounts for 18 electrons so the shorthand electron configuration is: [Ar] 4s 1 . Answer 2:K 19 refers to Potassium on the periodic table found in the Alkalai Metals first column on the left IA and in the fourth energy level (row). This means that potassium must end with an electron configuration of 4s1. The total electron configuration would be. 1s22s22P 63s23p64s1. The noble gas Argon has an electron configuration of.The electron configuration of bromide ion(Br –) is 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2 4p 6. The electron configuration of bromide ion(Br –) shows that the bromide ion acquired the electron configuration of krypton. Bromine atom exhibit -1, +1, +3, +5 oxidation states. The oxidation state of the element changes depending on the bond formation.An electronic configuration ( electron arrangement) shows how many electrons occupy each shell ( energy level) in an atom or ion . This is the electronic configuration of sodium: You may see electronic configurations written with commas instead of full stops. the total number of electrons is (2 + 8 + 1) = 11.Potassium is a chemical element of the periodic table with chemical symbol K and atomic number 19 with an atomic weight of 39.0983 u and is classed as alkali metal and is part of group 1 (alkali metal). Potassium is solid at room temperature. Argon Periodic table Calcium. Potassium Electron Configuration. The atomic number of potassium is 19. Using Aufbau’s principle, Hund’s rule, and Pauli’s exclusion principle, potassium has the electronic configuration \([{Ar}] 4 {s}^{1}\). The single electron in the outermost shell excites easily, giving rise to a characteristic emission spectrum. Salts of potassium ...Electron configuration 4s 1: Electrons per shell: 2, 8, 8, 1: Physical properties; ... Potassium is a chemical element; it has symbol K (from Neo-Latin kalium) ... Potassium. 19. 39.098. Glossary. GroupA vertical column in the periodic table. Members of a group typically have similar properties and electron configurations in their outer shell. PeriodA horizontal row in the periodic table. The atomic number of each element increases by one, reading from left to right.La configuration électronique du potassium est [Ar] 4s1. La configuration du potassium s'effectue selon les règles dérivées de Klechkovskaya, à savoir : Ar : 4s1, en tenant compte que c'est par la configuration des éléments que se détermine la façon dont les électrons sont structurés dans les atomes de l'élément .The noble gas configuration is a shorthand electron configuration for atoms. In chemistry, the noble gas configuration is a shorthand method of writing an atom’s electron configuration.The reason for using the noble gas configuration is because the full electron configuration becomes very long for atoms with high atomic numbers.. …When printing several copies of a multipage document, choosing to collate the print job keeps your work organized. But if the printer isn’t set up to collate, one of a few things m...Installing and Configuring BitTorrent - A firewall may disrupt the BitTorrent download process. Find out how a firewall can prevent BitTorrent from downloading and how to configure...Alkali metals have a corresponding [Noble gas] ns 1 electronic configuration. They occupy the first column of the periodic table. Alkali elements are Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Ru), Cesium (Cs) and Francium (Fr), occupying successive periods from first to seven. Francium is a radioactive element with a very low half-life.Potassium. 19. 39.098. Glossary. GroupA vertical column in the periodic table. Members of a group typically have similar properties and electron configurations in their outer shell. PeriodA horizontal row in the periodic table. The atomic number of each element increases by one, reading from left to right.electron shell. For potassium, only one electron is added to this shell. Draw a circle around the nucleus. This is the first electron shell. Draw another circle around the second electron shell. This is the third shell. Use these steps to draw electron configuration diagrams of the first 20 elements. Add up to two electrons to the first ...Electron Configuration and Oxidation States of Potassium. Electron configuration of Potassium is [Ar] 4s1. Possible oxidation states are +1. Electron Configuration. The periodic table is a tabular display of the chemical elements organized on the basis of their atomic numbers, electron configurations, and chemical properties.Potassium is a soft, silvery metal with the electron configuration [Ar] 4s 1. It is essential to life, abundant in the Earth's crust, and has many applications in fertilisers, glass, …
Jun 30, 2023 · Potassium is a very strong reducing agent because of its desire to achieve an inert gas electron configuration (like the other alkali metals). This means that it will easily give up electrons, giving it the ability to reduce numerous other elements. . Meet ladies near me
Aug 14, 2020 · Thus, potassium has an electron configuration of [Ar]4s 1. Hence, potassium corresponds to Li and Na in its valence shell configuration. The next electron is added to complete the 4s subshell and calcium has an electron configuration of [Ar]4s 2. This gives calcium an outer-shell electron configuration corresponding to that of beryllium and ... 15% fewer business class seats, but less cramped overall Update: Some offers mentioned below are no longer available. View the current offers here. Delta One Suites, one of the fin...Learn about the chemical element potassium, its symbol, atomic number, atomic weight, and electron configuration. Find out how potassium was first isolated from potash, the …How do you write the noble-gas electron configuration for potassium? Chemistry Electron Configuration Electron Configuration. 1 Answer anor277 May 30, 2018 #"Electronic configuration of potassium"-=[Ar]4s^1# Explanation: For #"potassium"# ...The electron configuration shows the distribution of electrons into subshells. This list of electron configurations of elements contains all the elements in increasing order of atomic number.. To save room, the configurations are in noble gas shorthand.This means part of the electron configuration has been replaced with the …When printing several copies of a multipage document, choosing to collate the print job keeps your work organized. But if the printer isn’t set up to collate, one of a few things m...Electron configuration. In atomic physics and quantum chemistry, the electron configuration is the distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals. [1] For example, the electron configuration of the neon atom is 1s2 2s2 2p6, meaning that the 1s, 2s, and 2p subshells are occupied by ... Potassium, the second lightest metal, was discovered by Sir Humphry Davy in 1807. It reacts violently with water and can even catch fire spontaneously in water.The electron configuration of Potassium. Potassium has an atomic number of 19 and it contains a total number of 19 electrons. From the Bohr model of Potassium, we know, that 2 electrons are in the K-shell, 8 electrons are in the L-shell, 8 electrons are in the M-shell and 1 electron is in the N-shell.The atomic number of potassium is 19, which means it has 19 electrons. Now it is possible to find the orbital notation of potassium very easily through electron configuration. That is, the orbital notation of potassium is 1s 2 2s 2 2p 6 3s 2 3p 6 4s 1. What is Hund’s principle? Oct 12, 2023 · The electron configuration for potassium ion (K +) is 1s 2 2s 2 2p 6 3s 2 3p 6. The number of valence electrons available for the Potassium atom is 1. Potassium is situated in Group 1st and has an atomic number of 19. The first shell of Potassium has 2 electrons and the outer shell or valence shell of Potassium has only 1 electron, hence, the ... Electron configuration: [Ar]4s1 Oxidation state: 1 Crystal structure: cubic body centered. Potassium, the second lightest metal, was discovered by Sir Humphry Davy in 1807. It reacts violently with water and can even catch fire spontaneously in water. It can be found bound to other elements in seawater and minerals, and is needed for plant growth.The electron configuration of Potassium is 1s 2 2s 2 2p 6 3s 2 3p 6 4s 1. Potassium atom requires one more valence electron in its s-orbital to attain noble gas configuration. What is the complete electron configuration of Potassium?Thus, potassium has an electron configuration of [Ar]4s 1. Hence, potassium corresponds to Li and Na in its valence shell configuration. The next electron is added …Thus, potassium has an electron configuration of [Ar]4s 1. Hence, potassium corresponds to Li and Na in its valence shell configuration. The next electron is added to complete the 4s subshell and calcium has an electron configuration of [Ar]4s 2. This gives calcium an outer-shell electron configuration corresponding to that of beryllium and ...Potassium, the second lightest metal, was discovered by Sir Humphry Davy in 1807. It reacts violently with water and can even catch fire spontaneously in water.Interlink Electronics News: This is the News-site for the company Interlink Electronics on Markets Insider Indices Commodities Currencies StocksThus, potassium has an electron configuration of [Ar]4s 1. Hence, potassium corresponds to Li and Na in its valence shell configuration. The next electron is added to complete the 4s subshell and calcium has an electron configuration of [Ar]4s 2. This gives calcium an outer-shell electron configuration corresponding to that of beryllium and ... .