Equations Flashcards
1
Q
ammonium ion
A
NH4 +
2
Q
Chlorate ion
A
Clo3-
3
Q
manganate (vII) ion
A
MnO4 -
4
Q
dichromate (VI) ion
A
Cr2O7 2-
5
Q
thiosulfate ion
A
S2O3 2-
6
Q
ethanoate ion
A
CH3COO -
7
Q
why do chemical equations need to be balanced
A
no atoms are gained or lost during a chemical reaction
8
Q
metal + oxygen =
A
metal oxide
9
Q
metal + water =
A
metal hydroxide + hydrogen
10
Q
metal + steam =
A
metal oxide + hydrogen
11
Q
metal + acid =
A
salt + hydrogen
12
Q
acid + alkali =
A
salt + water
13
Q
acid + base =
A
salt + water
14
Q
acid + carbonate =
A
salt + water + carbon dioxide
15
Q
what does a metal carbonate decompose upon heating to give
A
metal oxide and carbon dioxide
