Hello!
I don't know a lot of this but after doing just a bit of research I think the answer is either A. or C. but I think it is A.
Hope it helps?
Answer:
-2
Explanation:
Magnesium usually has a negative charge.
Answer:
First of all they are super tiny particles of neutrons, electrons and protons. Then they come together to organize a structure of atom. Atoms come together to form a molecule and smaller molecules work together to form macromolecules. Thus, how they organize and form building blocks of a substance.
Hope it helps!<3
5.61 x 10^8 (this might not be entirely right, haven’t used scientific notation in a while)