Chemistry, asked by saxenadivya806, 5 months ago

please help me....................

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Answered by abhishekpal44

0

lithium =3 atomic no.

calcium =

sulphur =16

beryllium =4

copper=

iron!=

Answered by poojap29599

0

Explanation:

2s1
4s2
3s2 p4
2s2
3d9 4s2
3d6 4s2

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