Physics, asked by smarty1713, 8 months ago

Name the two elements having 7 electrons in their outermost shell.

Answers

Answered by AspiringLearner

4

Answer: Fluorine

Chlorine

Explanation:

F(z=9)

Has e.c 1s2 2s2 2p5

Outermost shell has (2+5) = 7 electrons

Cl (z=17)

Has e.c 1s2 2s2 2p6 3s2 3p5

Outermost shell has (2+5) =7 electrons

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