Ions to memorise Flashcards
(26 cards)
1
Q
potassium
A
K+
2
Q
calcium
A
CA^2+
3
Q
sodium
A
Na+
4
Q
ammonium
A
NH^4+
5
Q
hydrogen (compound with only molecules, no ions)
A
H2
6
Q
Hydroxide
A
OH-
7
Q
oxygen
A
O2
8
Q
phosphate
A
PO4^3-
9
Q
ammonia
A
NH3
10
Q
oxide
A
O^2-
11
Q
sulfate*
A
SO4^2-
12
Q
chloride
A
Cl+
13
Q
copper
A
Cu^2+
14
Q
Iron
A
Fe^2+
15
Q
carbon dioxide
A
CO2
16
Q
water
A
H2O
17
Q
nitrogen (compound)
A
N2
18
Q
hydrogen ion
A
H+
19
Q
*magnesium ion
A
Mg^2+
20
Q
zinc*
A
Zn^2+
21
Q
nitrate*
A
NO3-
22
Q
carbonate*
A
CO3^2-
23
Q
CuO
A
copper (II) oxide
24
Q
FeCl
A
iron (II) chloride
25
sulfate and ammonium have __ in common
four ions to form a charge
26
Hydroxide need to __ when writing chemical formulae
need brackets if there is more than one. Other ones that need brackets are those like SO4
