Answer:
The answer is C
Explanation:
This is the answer because it is the only way that it is okay to split in half.
Answer:
PbMg
Explanation:
Because they both have a charge of 2+, they can be reduced and cancel each other out because 2 and 2 can be reduced to 1
Electronegativity
Atomic radius
Ionization energy
I believe the answer is A. However, I would double check the formula.