Question

An element is in group 2, period 3. How many valence electro

Broup 2, period 3. How many valence electrons does this element?

Answer 1

Answer: 21

Step-by-step explanation:

Answer 2

2 valance electrons

Step-by-step explanation:

Any element in group 2 will have 2 valance electrons all the way down the periodic table.