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Give the number of valence electrons in krypton. Write out the electronic configuration for the valence electrons. Valence electrons: _______ Electronic configuration for the valence electrons: ________

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ANSWER

[tex]\begin{gathered} \text{ Valence electrons; 8} \\ \text{ Electronic configuration for the valence electrons; 4s}^2\text{ 4p}^6 \end{gathered}[/tex]

EXPLANATION

Krypton is an example of a noble gas. Noble gases are not reactive because their octet state has been completely filled. Krypton belongs to group 0 or 18.

Since the octet state is completely filled, then the number of electrons at the outermost shell is 8

Therefore, the valence electrons of Krypton is 8

The electronic configuration of the valence electron is written below as

[tex]\text{ 4s}^24p^6[/tex]

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