Chemistry Data Sheet
1. Reactivity Series of Metals
Potassium
Sodium
Calcium
Magnesium
Aluminium
Carbon
Zinc
Iron
Tin
Lead
Hydrogen
Copper
Silver
Gold
Platinum
most reactive
least reactive
(elements in italics, though non-metals, have been included for
comparison)
2. Formulae of Some Common
Ions
Negative ions
Positive ions
Name
Formula
Name
Formula
Hydrogen
Sodium
Silver
Potassium
Lithium
Ammonium
Barium
Calcium
Copper(II)
Magnesium
Zinc
Lead
Iron(II)
Iron(III)
Aluminium
H+
Na +
Ag +
K+
Li +
NH4 +
Ba 2+
Ca 2+
Cu 2+
Mg 2+
Zn 2+
Pb 2+
Fe 2+
Fe 3+
Al 3+
Chloride
Bromide
Fluoride
Iodide
Hydroxide
Nitrate
Oxide
Sulfide
Sulfate
Carbonate
Cl –
Br –
F–
I–
OH –
NO3 –
O 2–
S 2–
SO4 2–
CO3 2–
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Insert for GCSE Science A, GCSE Additional Science and GCSE Chemistry v3
magnesium
12
40
Ca
calcium
20
88
Sr
strontium
38
137
Ba
barium
56
[226]
Ra
radium
88
sodium
11
39
K
potassium
19
85
Rb
rubidium
37
133
Cs
caesium
55
[223]
Fr
francium
87
104
rutherfordium
72
[261]
Rf
hafnium
40
178
Hf
zirconium
22
91
Zr
titanium
48
Ti
105
55
Mn
25
[98]
Tc
74
[266]
Sg
tungsten
42
184
W
106
hassium
108
107
76
[277]
Hs
osmium
44
190
Os
ruthenium
26
101
Ru
iron
56
Fe
bohrium
75
[264]
Bh
rhenium
43
186
Re
molybdenum technetium
24
96
Mo
chromium manganese
52
Cr
dubnium seaborgium
73
[262]
Db
tantalum
41
181
Ta
niobium
23
93
Nb
vanadium
51
V
59
Co
59
Ni
63.5
Cu
65
Zn
78
[271]
Ds
platinum
46
195
Pt
palladium
28
106
Pd
nickel
79
[272]
Rg
gold
47
197
Au
silver
29
108
Ag
copper
109
110
111
meitnerium darmstadtium roentgenium
77
[268]
Mt
iridium
45
192
Ir
rhodium
27
103
Rh
cobalt
81
thallium
49
204
Tl
indium
31
115
In
gallium
82
lead
50
207
Pb
tin
32
119
Sn
germanium
14
73
Ge
83
bismuth
51
209
Bi
antimony
33
122
Sb
arsenic
15
75
As
phosphorus
7
31
P
nitrogen
14
N
84
polonium
52
[209]
Po
tellurium
34
128
Te
selenium
16
79
Se
sulfur
8
32
S
oxygen
16
O
85
astatine
53
[210]
At
iodine
35
127
I
bromine
17
80
Br
chlorine
9
35.5
Cl
fluorine
19
F
86
radon
54
[222]
Rn
xenon
36
131
Xe
krypton
18
84
Kr
argon
10
40
Ar
neon
Elements with atomic numbers 112 – 116 have been
reported but not fully authenticated
80
mercury
48
201
Hg
cadmium
30
112
Cd
zinc
silicon
13
70
Ga
6
28
Si
carbon
12
C
aluminium
5
27
Al
boron
11
B
2
20
Ne
0
helium
7
1
6
hydrogen
5
4
He
4
1
H
3
Relative atomic masses for Cu and Cl have not been rounded to the nearest whole number.
* The Lanthanides (atomic numbers 58 – 71) and the Actinides (atomic numbers 90 – 103) have been omitted.
89
actinium
57
[227]
Ac*
lanthanum
39
139
La*
yttrium
21
89
Y
scandium
4
24
Mg
3
23
Na
45
Sc
name
atomic (proton) number
beryllium
lithium
relative atomic mass
atomic symbol
9
Be
7
Li
Key
2
1
3. The Periodic Table of Elements