Question

What is the number of valence electrons in potassium?

Answer 1

1

Explanation:

As Potassium is present in the first group of the modern periodic table
Potassium which is also represented as K
it has only ONE valence electron..I.e only on electron is present in the outermost shell

What are valence electrons
Valence electrons are the electrons present in the outermost shell of an atom

Answer 2

One.

Explanation:

Just like sodium potassium has one valence electron and is highly reactive. (it is monovalent).