Physics, asked by bhavanap1901, 1 month ago

write electronic configuration and valency of following element Na-11 ,Cl-17, Mg-12

Answers

Answered by humazubair2019

16

Answer:

na = 1s2 2s2 3p6 3s1

cl=1s2 2s2 2p6 3s2 3p5

mg=1s2 2s2 2p6 3s2

Explanation:

mark brainliest

Answered by Tanishdange

10

Answer:

Na=2,8,1

Cl=2,8,7

Mg=2,8,2

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