1: Decomposition reaction
2: Combination reaction
3: product
4: Reactant
And the answer is False,it does not have the same number with particles as the one mole of hydrogen.
Make sure have same amounts of species on both sides
Cu (s) + 2 AgNO3 (aq) -> Cu(NO3)2 (aq) + 2 Ag (s)
Over all the size of the crystal depends on how fast magma will harden over time if the magma cools slowly the crystal will be larger than they would if the magma cooled faster