Chemistry neco 2001

The maximum number of electrons that can occupy the shell having a principal quantum number of 3 is

a

3

b

9

c

10

d

18

e

32

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d

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Discussions (2)

Endothermic
5 years ago

2n²
Where n=3
2(3)²=2×9=18

Korede2002
6 years ago

Very Correct. From 2n square; n= 3; answer is 18.

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