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In what orbital would to valence electrons of strontium be found? a.) 5s b.) 4s c.) none d.) 5p​

1 Answer

3 votes

Answer:

The correct answer is 5s

Step-by-step explanation:

Strontium atomic number = 38

Electronic configuration is
$1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 3d^(10) 4s^(2) 4p^(6) 5s^(2)

As
$5s$ orbital is valence orbital in strontium, the outer electrons exists in that orbital only.

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