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Chemistry Edexcel iGCSE:
Metals + Extraction

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Edexcel triple science only (not for double science students).

1. Which one of the following diagrams represents the structure of aluminium metal?  
aluminium particle diagrams x4

2. Aluminium is a very malleable metal and is used to make cooking foil.

 

Which statement explains why aluminium is malleable?

aluminium foil
Marco Verch | CC 2.0

  • A.  Aluminium atoms are arranged in layers so can slide over each other
  • B.  Aluminium atoms vibrate around fixed positions in the lattice
  • C.  Aluminium has strong metallic bonds which require a lot of energy to break
  • D.  Aluminium contains delocalized electrons which are free to move
3. Aluminium is used for window frames because it..
  • A.   is a good conductor of electricity
  • B.   has a low density
  • C.   resists corrosion
  • D.   has a low melting point
4. Which one of the following statements best describes the structure of a metal?
  • A.   A giant structure of atoms surrounded by delocalized electrons
  • B.   A giant structure of atoms sharing electrons
  • C.   A giant structure of positive and negative ions
  • D.   A giant structure of positive ions surrounded by delocalized electrons
5. Aluminium is used to make cans for soft drinks. coke can
Aluminium is suitable for this use because it..
  • A.   is malleable and conducts electricity
  • B.   is malleable and has a low density
  • C.   has a low melting point and conducts electricity
  • D.   has a low melting point and a low density
6. Copper is the metal used in most electrical wiring because it is a very good conductor of electricity. copper wires
Łukasz Klepaczewski
| Pixabay
Copper is a good conductor of electricity because it ..
  • A.   contains ions which are free to move
  • B.   contains atoms which are not free to move
  • C.   contains delocalized electrons which are free to move
  • D.   contains delocalized electrons which are not free to move
7. Steel is an alloy of iron and is strong. This property makes steel a good metal for use in ..
  • A.   coins
  • B.   overhead electricity cables
  • C.   Window frames
  • D.   Railway tracks
8. Which of the following statements about steel is NOT correct?
  • A.   Stainless steel is used for cutlery as it does not rust
  • B.   Stainless steel is made by adding other elements to iron
  • C.   Mild steel is used for car bodies as it is strong and malleable
  • D.   Mild steel is a compound of iron and carbon
9. A metallic bond is best described as an electrostatic attraction between ..
  • A.   positive and negative ions
  • B.   a lattice of positive ions and delocalized electrons
  • C.   positively charged nuclei and a shared pair of electrons
  • D.   metal atoms
10. Alkali metals are a reactive group of metals.
The reactivity increases down the group of the alkali metals because the ..
  • A.   outer electron is further from the nucleus so more easily given away
  • B.   outer electron is closer to the nucleus so more easily given away
  • C.   outer shell is further from the nucleus so electrons are attracted in more easily
  • D.   outer shell is closer to the nucleus so electrons are attracted in more easily