1 atom Mg, 2 atoms O and 2 atoms H.
1 + 2 + 2 = 5, so correct answer is C
Explanation:
4.hydrogen is able to accept or donate electrons,so it is the most versatile storm I the periodic chart
I think the answer is B . I really hope that this helps you out.
Non metals can not give electrons to hydrogen in water to be released as H2 gas
