Answer:
I'm sry I was trying to figure it out but it makes no sense I'm really sorry
Your answer would be:
2RbNO3 + BeF2—> Be(NO3)2 + 2RbF
All elements have an equal amount of atoms on each side.
FeS is an example of an ionic compound as in the formula there is a metal of Fe iron chemically bonded to the nonmetal S sulphur. Resulting in a strong electrostatic attraction due to the transfer of valence electrons from the iron to the Sulphur.
