Chemical Formulae Flashcards
1
Q
What is an example of a chemical formulae
A
H O
2
2
Q
What does the formulae H O mean
2
A
Two hydrogen atoms and one oxygen atom
3
Q
What happens when there is more than one atom of an element in a formula
A
A subscript number is used after the symbol for that element
4
Q
What is tHe chemical formulae for carbon dioxide
A
C 2 - one carbon atom - two oxygen atoms
0
5
Q
What would the formulae be for copper carbonate
A
CuCO - 1 copper atom - one carbon atom - 3 oxygen atoms
3
6
Q
If a formulae contains only one atom symbol it will be an…
A
Element
7
Q
If the formulae contains more than one atomic symbol it must be…
A
A compound
