AQA Trilogy chemistry paper 1 (atoms, bonding, p.table)

What is an element?

• A substance you can separate

• Two or more substances joined together

• Made up of only one type of atom

• The smallest part of a substance

Which element is graphene made from?

• Carbon

• Copper

• Hydrogen

• Sodium

Which structure is a fullerene?

• A

• B

• C

• D

What type of forces act between the ions in an ionic compound?

• Electrostatic

• Frictional

• Gravitational

• Magnetic

What are TWO properties of ionic compounds?

• Conducts electricity when molten

• High melting point

• Low melting point

• Small molecules

• Weak bonds between particles

Each carbon atom in graphite is joined to _______ other carbon atoms

• One

• Two

• Three

• Four

What type of bonding holds together the atoms in graphite?

• ionic

• covalent

• metallic

Why is graphite so soft and slippery?

• It is made of layers of atoms

• It is made of small molecules

• It is an ionic compound

Which structure has a very low boiling point?

• A

• B

• C

• D

• E

Give TWO reasons why hydrogen chloride is a gas at room temperature

• Hydrogen chloride has a low boiling point

• Hydrogen chloride has a high melting point

• Hydrogen chloride has weak intermolecular forces between molecules

• Hydrogen chloride does not conduct electricity

• Hydrogen chloride has a giant structure