Question

Sodium (Na) and potassium (K) are in the same group in the periodic table. Sodium is in the 11th position. How many valence electrons does potassium have?

Answer 1

Answer:

Explanation:

Electronic configuration =2,8,8,1

Therefore valence electrons =1

Answer 2

Answer:

potassium has 1 electron in its valence shell.

Explanation:

The atomic no. of K is 19

it's electronic configuration is.....

K. L. M. N.

2. 8. 8. 1

NOTE:-

This is the reason why potassium is written as K+.