Chemistry, asked by umeshmehar682, 4 hours ago

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Q. Elements A and B have atomic number 9, 20 respectively. Give the electronic configuration of them and formula formed by them.

Answers

Answered by Aryan385t

1

A= neon
B= calciuml
A's
K= 2
L= 7
B's
K=2
L=8
M=8
N=2

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