It will be D.4 because you have two lots of 2Ag atoms so its 4 in total
I think the answer to this question is three or 3
Answer:
No because it changes velocity, instead of accelerating
Explanation:
and yes, I am in K12 ツ
The answer to this question would be: <span>D. Magnesium
The </span><span>number of energy levels of aluminum is 3 which was why it was put on the 3rd row. The valence of calcium is 2 which is why it was put in the 2nd column. If you look at the periodic table, the answer should be clear that it was magnesium.</span>