Group 7 - The Halogens

Question 1

Group 7 Elements are Called ___________. They’re a Group of ________ Non-Metals that have Coloured Vapours.

Answer 1

Halogens…Toxic…

Question 2

Features of Halogens?

Answer 2

• Low Melting Points.
• High Boiling Points.
• Poor Conductors of Heat and Electricity.

Question 3

Halogens All Exist as Molecules Made Up of Pairs of Atoms. These are Called ___________ Molecules. The Atoms in Each Pair are Joined to Each Other by a ____________ Bond.

Answer 3

Diatomic…Covalent…

Question 4

Electronic Structure of ____________ All Have _________ Electrons in their Outermost Shell (Highest Energy Level).

Answer 4

Halogens…Seven…

Question 5

When Halogens React with Non-Metals, they Gain an Extra ____________ by Sharing a Pair of Electrons with Another _______.

Answer 5

Electron…Atom…

Question 6

Halogens React with _________.

Answer 6

Metals.

Question 7

A More Reactive Halogen Will ___________ a Less Reactive Halogen From Solutions of its _______.

Answer 7

Displace…Salts…

Question 8

Chlorine + Potassium Bromide —> Potassium ___________ + Bromine

Answer 8

Chloride.