Lesson 5.2.3.2
5.2.3.2 Graphite Quiz: AQA Combined Science, Unit 9
20 questions
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Lesson 5.2.3.2, Graphite: 20 multiple choice questions for the AQA GCSE Combined Science (8464), Unit 9: Bonding, structure, and the properties of matter, written with Revision Ninja.
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The 20 questions
-
How many covalent bonds does each carbon atom form in graphite?
- Three
- One
- Four
- Two
-
What shape are the carbon rings that form the layers in graphite?
- Square
- Hexagonal
- Octagonal
- Pentagonal
-
Between graphite's layers there are:
- No covalent bonds
- Ionic bonds
- Strong covalent links
- Metallic bonds
-
What happens to the fourth carbon electron in graphite?
- It pairs up
- It is lost
- It is delocalised
- It forms a bond
-
In what specific way is graphite structurally similar to metals?
- Simple molecules
- Ionic charges
- Delocalised electrons
- Malleability
-
Why is graphite soft and slippery?
- It contains ions
- It has rigid 3D links
- No bonds between layers
- Strong intermolecular forces
-
Which property of graphite is linked to its delocalised electrons?
- Electrical conduction
- Insulation
- Ionic solubility
- Gaseous state
-
What term describes the bonding type shared by both diamond and graphite?
- Simple covalent
- Giant covalent
- Metallic lattice
- Giant ionic
-
What allows graphite to conduct electricity while diamond cannot?
- Strong covalent bonds
- Delocalised electrons
- Intermolecular forces
- Mobile ions
-
Why is graphite suitable for use as an electrode?
- It is insoluble
- It is transparent
- It melts easily
- It conducts electricity
-
How many delocalised electrons does each carbon atom in graphite contribute?
- Two
- Zero
- Four
- One
-
How many bonds does each carbon atom form within a layer of graphite?
- Six
- Three
- Four
- Two
-
How do the melting points of graphite and diamond compare?
- Both are high
- Both are low
- Diamond is lower
- Graphite is higher
-
What type of substance is graphite despite conducting electricity?
- Ionic compound
- Alkali metal
- Transition metal
- Non-metal
-
Which bonds must be broken when graphite is melted?
- Hydrogen bonds
- Covalent bonds
- Metallic bonds
- Ionic bonds
-
Carbon atoms in graphite form layers. Which bonds hold atoms within a layer?
- Hydrogen bridges
- Ionic bonds
- Metallic bonds only
- Covalent bonds
-
Why does graphite have a high melting point?
- Weak intermolecular forces
- Electrostatic attraction
- Strong covalent bonds
- Delocalised positive ions
-
What do graphite and metals have in common?
- Delocalised electrons
- Metal atoms
- Positive ions
- Malleable layers
-
Which property does graphite possess that diamond does not?
- Insolubility
- Electrical conductivity
- Extreme hardness
- High melting point
-
What physical state is graphite at room temperature due to its giant covalent structure?
- Liquid
- Solid
- Gas
- Plasma
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