lauraabonilla2 lauraabonilla2

13-06-2017
Chemistry

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what is the position of an element in the periodic table if its electron configuration is 1s^2 2s^2 2p^6 3s^2 3p^5

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dec77cat dec77cat

24-06-2017

Cl chlorine

Chlorine is located in 7A group of the third period.

[Ne]3s²3p⁵
2+5=7

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