Lesson 4.2.3.2
4.2.3.2 Graphite Quiz: AQA Chemistry, Unit 2
20 questions
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Lesson 4.2.3.2, Graphite: 20 multiple choice questions for the AQA GCSE Chemistry (8462), Unit 2: 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?
- Four
- Two
- One
- Three
-
What shape do the layers in graphite form?
- Square grids
- Hexagonal rings
- Linear chains
- Triangular pyramids
-
What holds the separate layers of graphite together?
- Covalent bonds
- Weak forces
- Metallic bonds
- Ionic bonds
-
How many delocalised electrons does each carbon atom in graphite contribute?
- Zero
- One
- Two
- Four
-
What is the empirical formula of graphite?
- CO2
- C2
- CH4
- C
-
Why is graphite soft and slippery?
- Strong intermolecular forces
- Random atomic arrangement
- Layers slide easily
- Rigid covalent bonds
-
Which particle allows graphite to conduct electricity?
- Delocalised electron
- Neutron
- Positive ion
- Proton
-
Why is graphite suitable for use as an electrode?
- Melts easily
- Conducts electricity
- Dissolves in water
- Is transparent
-
Which structural feature is present in graphite but absent in diamond?
- Tetrahedral shape
- Covalent bonds
- Delocalised electrons
- Carbon atoms
-
What type of structure does graphite have?
- Giant ionic
- Giant covalent
- Metallic lattice
- Simple molecular
-
Which feature makes graphite similar to metals?
- Delocalised electrons
- Malleable crystals
- Positive ions
- High density
-
Why can graphite be used as a dry lubricant?
- Layers slide easily
- Strong ionic bonds
- Rigid 3D network
- High solubility
-
What is the bonding type within the layers of graphite?
- Ionic
- Hydrogen
- Metallic
- Covalent
-
What must be broken to melt graphite?
- Metallic bonds
- Hydrogen bonds
- Ionic bonds
- Covalent bonds
-
Approximately how many delocalised electrons are present in 1 mole of graphite carbon atoms?
- 3.01 x 10^23
- 6.02 x 10^22
- 6.02 x 10^23
- 1.2 x 10^24
-
Why does graphite conduct electricity while diamond does not?
- Mobile ions exist
- Free protons
- Delocalised electrons exist
- Weak ionic bonds
-
What enables graphite to conduct heat well along its layers?
- Hydrogen bonding
- Fixed ions
- Delocalised electrons
- Rigid structure
-
How many covalent bonds are there between the layers of graphite?
- One per carbon
- Three per carbon
- Zero
- Four per carbon
-
Which property of graphite is caused by delocalised electrons?
- High density
- Transparency
- Hardness
- Electrical conductivity
-
Why is graphite soft despite its very high melting point?
- Delocalised electrons
- Strong covalent bonds
- Weak forces between layers
- Ionic lattices
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