STRUCTURE OF ATOMS 2
Atom
Atomic number
Mass number
9
19
Number of protons
Number of neutrons
Number of electrons
!"
!C
!"
!"Cl
F
Kr
84
B
36
5
Al
5
14
13
!"#
!"Au
Br
35
44
!"
!N
!"
!"P
Li
3
Ne
10
Ca
7
10
40
20
Be
Cl
5
17
18
W
110
U
Mo
4
92
42
Fe
© www.CHEMSHEETS.co.uk
146
96
56
Ni
I
74
26
28
127
30
53
01-January-2016
Chemsheets GCSE 1002