Question

2. Write the electronic configuration of the element whose atomic number is 30.
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Answer 1

Answer:

2,8,16,4

HOPE UT HELPS !

Answer 2

Properly explained :

According to Bohr berry
Shell K =2 electrons
Shell L=8
Other all are 8


So K shell will have 2
L will have 8
M will have 8
N will have 8
Valence shell will have 4 valence shell
It’s an unstable atom as it doesn’t satisfy the octate rule