Answer:
Magnesium
Explanation:
Magnesium is in group 2 of the periodic table. The group in which an element is found in tells us the number of valence eletrons it has.
HOPE THIS HELPED
Answer: 3
Explanation: I took the k12 quiz
24249.65 mol
n=MM × m
n= 39.95 ×607
n=24249.65