Question

why pottasium is having the electronic configuration 2.8.8.1​

Answer 1

Potassium is the 19th element on the periodic table has the electronic configuration of 2.8.8.1.

Answer 2

Potassium is 19th element in the periodic table.

1921 , According to Bohr and Burry..

1) The maximum no. of electrons in any orbit is given by the formula

$2n ^{2}$

where, n is the no. of the orbit.

1st orbit, No. of electrons

$2 \times 1 ^{2} = 2$

2nd orbit, No. of electrons

$2 \times 2 ^{2} = 8$

3rd orbit , No. of electrons

$2 \times 3 ^{2} = 18$

4th orbit, No. of electrons

$2 \times 4 ^{2} =32$

And normally the electronic configuration is 2.8.8.1.So, pottasium is having the electronic configuration 2.8.8.1