Lesson 5.2.2.8
5.2.2.8 Metals as conductors Quiz: AQA Combined Science, Unit 9
20 questions
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Lesson 5.2.2.8, Metals as conductors: 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
-
What particles carry electrical charge through a solid metal?
- Delocalised electrons
- Positive ions
- Fixed atoms
- Free protons
-
How is thermal energy transferred efficiently through a metal?
- Vibrating positive ions
- Covalent bonding
- Static nuclear forces
- Delocalised electrons
-
Which particles carry charge in a metal wire?
- Neutrons
- Positive ions only
- Delocalised electrons
- Protons
-
What property allows metals to conduct electricity so well?
- Free electrons
- Close packing
- Rigid layers
- High density
-
Which substance is a good thermal conductor?
- Polythene
- Sulfur
- Glass
- Copper
-
Where can delocalised electrons move within a metal structure?
- Outer shell only
- Nucleus exclusively
- Surface layer only
- Whole structure
-
Which property of metals comes from delocalised electrons?
- Solubility in water
- Insulation
- Electrical conductivity
- Ionic conduction only
-
Why do metal alloys still conduct electricity?
- They contain ions
- Atoms are smaller
- Layers can slide
- Delocalised electrons remain
-
What specifically carries electrical current through a copper wire?
- Transferring ions
- Vibrating atoms
- Fixed protons
- Moving electrons
-
How does heat travel rapidly from one end of a metal rod to another?
- Atomic diffusion
- Electron transfer
- Radiation emission
- Ionic conduction
-
Which feature of metals explains both electrical and thermal conduction?
- High density
- Layered atoms
- Giant lattices
- Delocalised electrons
-
Why does a metal spoon conduct heat quickly from hot liquid?
- Strong ionic bonds
- Delocalised electrons
- Rigid atomic structure
- High melting point
-
What allows metals to conduct electricity?
- Covalent molecules
- Delocalised electrons
- Localized protons
- Fixed ions
-
What is the electrical conductivity of aluminium foil?
- Insulator
- No conductivity
- Low conductivity
- High conductivity
-
What carries electrical charge through a metal rod?
- Stationary protons
- Negative atoms
- Delocalised electrons
- Positive ions
-
Which substance has delocalised electrons that could carry charge?
- Liquid water
- Solid sodium chloride
- Carbon dioxide gas
- Sodium metal
-
Which state of matter conducts electricity in solid metals?
- Gas state
- Solid state
- Aqueous only
- Molten only
-
What particle transfers both charge and thermal energy in metals?
- Fixed cation
- Bound neutron
- Delocalised electron
- Atomic nucleus
-
How many electrons per carbon atom are delocalised in graphite?
- Four electrons
- One electron
- Two electrons
- Three electrons
-
Why does copper conduct electricity while rubber does not?
- Consists of molecules
- Has ionic bonds
- Contains free protons
- Has delocalised electrons
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