Hallogens

Question 0

What are the properties of the halogens

Answer 0

. Non-metals
. Form coloured vapours
. Poisonous
. Brittle and crumbly in their solid form
. Don’t conduct electricity
. Form diatomic molecules (contains two atoms) e.g Cl2

Question 1

Which group is the halogens

Answer 1

Group 7

Question 2

What are the trends in the halogens

Answer 2

. Density increases as you go down

. Melting and boiling points increase as you go down

Question 3

What colour is Flourine

Answer 3

A yellow gas

Question 4

What colour is Chlorine

Answer 4

Green gas

Question 5

What colour is Bromine

Answer 5

Dark red liquid

Red/brown vapour

Question 6

What colour is iodine

Answer 6

Dark grey solid

Purple vapour

Question 7

What is the reactivity within the halogens

Answer 7

The reactivity falls as you go down the group

Question 8

Do halogens have displacement reactions

Answer 8

YES !!!!

Question 9

Explain the trend in reactivity within the halogens

Answer 9

When they react with metals, halogen atoms gain an electron. The smaller the atom the easier it is to attract this electron - so the more reactive the element will be.