Question

cl 2 of eletronic configuration​

Answer 1

Answer:

The electronic configuration of chlorine is: 1s2 2s2 2p6 3s2 3p5. Alternatively this can be written [Ne] 3s2 3p5 in other words the core electrons are 1s2 2s2 2p6 corresponding to the electronic configuration of the noble gas neon. Thus the valence electrons are 3s2 3p5 i.e. there are seven.

Explanation:

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