M4 The
Periodic Table: Halogens
Slide 38 of 45
Practice Question
1.
J05/2/5. The halogens are a group of diatomic non-metals showing a trend in color, state and reactivity.
(a) In this description, what is the meaning of
(i) diatomic,
[1]
(ii) state? [1]
(b) The table gives some information about some of the
halogens.
grey-black
+114
iodine
+59
-7
bromine
green
-35
-101
chlorine
state at room temperature
color
boiling point / °C
melting point / °C
element