M4 The Periodic Table: Halogens
Slide
5
of 45
D
I
A
t
o
M
I
c
Fluorine
is written as:
F
2
All of the
H
a
l
o
g
e
n
s
are
DI
ATOMIC
= 2 (goes about in pairs)
A molecule of a halogen is made up of two atoms, and therefore
their formulae are:
Fluorine
,
F
2
Chlorine
,
Cl
2
Bromine
,
Br
2
Iodine
,
I
2