Chemistry, asked by berannateja, 10 months ago

aq solution of which salt will not contain ions with the electronic configuration of 1s2.2s2.2p6.3s2.3p6
1)NaF 2)NaCl 3)KBr 4)CaI2

Answers

Answered by malavikabala012003

3

The answer is 1) NaF

Na⁺ has 10 electrons; electron configuration = 1s²2s²2p⁶

F⁻ has 10 electrons electrons too; electro configuration = 1s²2s²2p⁶

Hence NaF has 1s²2s²2p⁶ and not 1s2.2s2.2p6.3s2.3p6 as mentioned in the question.

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