Giant Covalent Structures

Question 1

What is an ionic compound?

Answer 1

A lattice structure of positive ions attracted by negative ions that hold the structure together.

High Melting / Boiling Points
Strong Electrostatic Forces

Table Salt/ Sodium Ion

Question 2

What is a Simple Molecule?

Answer 2

Has a stable arrangement.

Low Melting/ Boiling Point
Doesn’t conduct electricity.

Industries
Water
Biological Systems

Question 3

What is Graphene?

Answer 3

Single layer of carbon dioxide atoms shaped in a hexagonal form.

High thermal activity.
Transparent Material.
High Hardness

Electronics

Question 4

What are Diamonds?

Answer 4

Has a covalent structure where each carbon atom joins to four other atoms by a strong covalent bond.

Durability
Transparency
Doesn’t Conduct Electricity

Scientific Research
Industrial Research
Jewellery

Question 5

What is Silicon Dioxide?

Answer 5

One silicon dioxide atom with four oxygen atoms forming a 3D network.

Colourless
Insulator
Odorless

Electronics
Glass Production
Ceramics
Optical Devices

Question 6

What is Graphite?

Answer 6

Ring of 6 carbon atoms are widely spread horizontally.

Crystalline Solid
Non - inflammable
Opaque
Smooth

Pencil
Core of Nuclear Reactors