Question

question 2/3 we can use the periodic table to predict which element may explode. group number tells how many valence electrons. neon (ne) is in group 8a, how many valence electrons does it have?

Explanation:

Step1: Recall valence - electron rule for group 8A elements

Elements in group 8A (also known as group 18) of the periodic table have 8 valence electrons.

Answer:

8