Reacting masses Flashcards
1
Q
how do we compare atoms masses?
A
using the relative atomic mass scale
2
Q
when does copper carbonate decompose (break down)?
A
when it is heated into copper oxide and carbon dioxide
3
Q
what is the word equation for this?
A
copper carbonate — copper oxide + carbon dioxide
4
Q
what is the symbol equation for this?
A
cuco3— cuo + co2
5
Q
what happens when magnesium ribbon is put into acid?
A
it reacts giving off hydrogen gas
