A. Thermal energy good job
Answer:
the molar mass is the mass of a given chemical element or chemical compound divided by the amount of substance
a. 48.6 is magnesium and 32.0 is oxygen
b. 80.6
c. also 80.6
d. yes, because the product has equal mass to the reactants
I'm not quiet sure...possibly an ionic bond.
Answer:
Period
Explanation:
horizontal is a period and verticle is a group