Question

What is true of the number of valence electrons for all of the elements found in the same column?

Answer 1

Solution.

Firstly, we should write that valence electrons are called electron located on the outer shell of an atom.

In conclusion, the number of valence electrons corresponds to the group number in the periodic table of chemical elements.

Answer:

The number of valence electrons corresponds to the group number in the periodic table of chemical elements.