Answer:
Electrons on the outermost shell of an atom. They are responsible for the chemical properties of an atom.
This is a reduction reaction as the oxide(oxygen) is taken away from the metal =]
A substance's molar mass is calculated by multiplying its relative atomic mass by the molar mass constant (1 g/mol). ... By multiplying a given mass by the molar mass, the amount of moles of the substance can be calculated.