Question

Write the electronic configuration of any one pair
class 9​

Answer 1

Answer:

electronic configuration of sodium

atomic number = 11

It's electronic configuration will be 2,8,1

it will have one valency bacause it will loose 1 electron to be stable

so it's final electronic configuration is 2,8

in first shell there can be maximum 2 electrons ( K shell )

in second 8electrons ( N shell )

other you can find by

2×(which number of shell it is )^2

hope it helps you

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