coralaguilar1702 coralaguilar1702

24-01-2019
Chemistry

contestada

Choose the correct abbreviation of potassium (K) written in its noble gas configuration
[Ar]4s1
[Ar]3p64s1
[Ar]3p6
[Kr]5s1

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kobenhavn kobenhavn

24-01-2019

Answer: [Ar]4s1

Explanation: Potassium [tex](K)[/tex] is an element with atomic number 19, thus it contains 19 electrons. It is a metal which readily loses its electrons to acquire stable configuration of Argon [tex](Ar)[/tex] which has 18 electrons with completely filled subshells.

[tex]Ar:18:1s^22s^22p^63s^23p^63d^{10}[/tex]

[tex]K:19:[Ar]4s^1[/tex]

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reelsha reelsha

08-02-2021

Answer:

[Ar]4s1

Explanation:

its the right answer

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