Important : Common Ions Flashcards
1
Q
Definition of cation
A
+ve ion
Metals
2
Q
Definition of anion
A
-ve ion
Non-metals
3
Q
Group 1 elements
A
1+ ions
4
Q
Group 2 elements
A
2+ ions
5
Q
Group 3 elements
A
3+ ions
6
Q
Group 7 elements
A
1- ions
7
Q
Group 6 elements
A
2- ions
8
Q
Sodium
A
Na 1+
9
Q
Potassium
A
K 1+
10
Q
Calcium
A
Ca 2+
11
Q
Copper ( II )
A
Cu 2+
12
Q
Iron ( II )
A
Fe 2+
13
Q
Iron ( III )
A
Fe 3+
14
Q
Zinc
A
Zn 2+
15
Q
Magnesium
A
Mg 2+
16
Q
Lead
A
Pb 2+
17
Q
Ammonium
A
NH4 1+
18
Q
Ammonia
A
NH3 1+
19
Q
Barium
A
Ba 2+
20
Q
Hydrogen
A
H 1+
21
Q
Lithium
A
Li 1+
22
Q
Silver
A
Ag 1+
23
Q
Chloride
A
Cl 1-
24
Q
Hydroxide
A
OH 1-
25
Nitrate
NO3 1-
26
Hydrogen carbonate
HCO3 1-
27
Carbonate
CO3 2-
28
Oxide
O 2-
29
Sulfate
SO4 2-
30
Sulfide
S 2-
31
Fluoride
F 1-
32
Iodide
I 1-
33
Bromide
Br 1-
34
What 2 methods can be used to work out formulae from the charge of ions
1. Balance charges
| 2. Cross over method
