Did you mean the atomic mass?
Answer:
Yes.
Explanation:
Zn2+ is the zinc ion in aqueous solution.
Zinc is a transition metal.
These metals are in the middle of the periodic table and have similar properties.
Answer: Barium is +2, Fluorine is -1
Explanation:
The charge of barium is +2, and the charge of fluorine is -1. You can determine this from the periodic table groups.
The formula for barium fluoride is thus BaF2.
Answer:
they are big chunks of the earth that are constantly vibrating
Explanation: