Science, asked by sharad46, 1 year ago

what is the electronic configuration of 3li 15si 2he 11na 15p and which element belong to period 3

Answers

Answered by kour1234
2
hey mate!
3 is lithium electronic configuration is 2,1

2 is helium electronic configuration is 2

11 is sodium electronic configuration is 2,8,1

15 is phosphorus electronic configuration is 2,8,5

hope it's help you!!

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sharad46: which of these electrons belong to period 3
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Answered by shibayannath
1
11na and electronic configuration is 2,8,1
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