Forming Ions Flashcards
1
Q
What is an ion?
A
Formed when atoms / groups of atoms lose / gain electrons
2
Q
Positive ion
A
Cation
3
Q
Negative ion
A
Anion
4
Q
Group 1
Ion charge:
A
+1
5
Q
Group 2
Ion charge:
A
+2
6
Q
Group 3
Ion charge:
A
+3
7
Q
Group 4
Ion charge:
A
None
8
Q
Group 5
Ion charge:
A
-3
9
Q
Group 6
Ion charge:
A
-2
10
Q
Group 7
Ion charge:
A
-1
11
Q
Group 8
Ion charge:
A
None - they are noble gasses
12
Q
Sodium
A
Na+
13
Q
Lithium
A
Li+
14
Q
Potassium
A
K+
15
Q
Magnesium
A
Mg2+
16
Q
Calcium
A
Ca2+
17
Q
Barium
A
Ba2+
18
Q
Aluminium
A
Al3+
19
Q
Chloride
A
Cl-
20
Q
Fluoride
A
F-
21
Q
Bromide
A
Br-
22
Q
Iodine
A
I-
23
Q
Oxide
A
O2-
24
Q
Sulfide
A
S2-
25
Q
Nitride
A
N3-
