Lesson 3.1.3.3

3.1.3.3 Metallic bonding Quiz: AQA Chemistry, Unit 1

20 questions

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Lesson 3.1.3.3, Metallic bonding: 20 multiple choice questions for the AQA Chemistry (7405), Unit 1: Physical chemistry, written with Revision Ninja.

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The 20 questions

  1. Which particles are electrostatically attracted in a metallic bond?

    • Protons and electrons
    • Anions and cations
    • Cations and electrons
    • Nuclei and pairs
  2. Which particles move through a metal lattice to conduct electricity?

    • Delocalised electrons
    • Protons and neutrons
    • Shared electron pairs
    • Positive metal ions
  3. Where are delocalised electrons free to move in a metal?

    • Between specific pairs
    • Within single bonds
    • Throughout the lattice
    • Around one nucleus
  4. Why can layers of ions in a metal slide without shattering?

    • Rigid ionic lattice
    • Directional covalent bonds
    • Non-directional bonding
    • Fixed shared pairs
  5. Which metal in Period 3 has the most delocalised electrons per atom?

    • Magnesium
    • Aluminium
    • Potassium
    • Sodium
  6. What force gives metals their high melting points?

    • Strong electrostatic attraction
    • Repulsive magnetic force
    • Weak intermolecular force
    • Directional covalent bond
  7. Which particles form the fixed regular lattice in a metal?

    • Delocalised electron pairs
    • Negative non-metal ions
    • Positive metal ions
    • Neutral molecules
  8. Why does magnesium have a higher melting point than sodium?

    • Lower ion charge
    • Weaker electrostatic force
    • More delocalised electrons
    • Larger ionic radius
  9. Which property of solid metals is caused by delocalised electrons?

    • Low melting point
    • Extreme brittleness
    • High density
    • Electrical conductivity
  10. Which cations are present in the metallic lattice of calcium?

    • Ca+ ions
    • Ca- ions
    • Ca3+ ions
    • Ca2+ ions
  11. How many delocalised electrons does one atom of magnesium contribute to the metallic lattice?

    • 1
    • 0
    • 2
    • 3
  12. How does metallic bonding differ from covalent bonding?

    • Electrons are delocalised
    • Electrons are transferred
    • Electrons are lost
    • Electrons are fixed
  13. How do delocalised electrons transfer thermal energy through metals?

    • By photon emission
    • By kinetic energy
    • By mass transport
    • By nuclear decay
  14. How many delocalised electrons does each atom of a Group 1 metal contribute?

    • Two
    • Three
    • None
    • One
  15. Why are alloys usually harder than pure metals?

    • Weaker metallic bonds
    • Distorted ion layers
    • Smaller overall lattice
    • Fewer delocalised electrons
  16. Why do Group 1 metals have lower melting points than Group 2 metals?

    • Smaller ionic radius
    • Higher atomic mass
    • Lower cation charge
    • More delocalised electrons
  17. Comparing two metals with equal ionic charge, which has stronger metallic bonding?

    • Equal ionic radii
    • Smaller positive ions
    • Uncharged atoms
    • Larger positive ions
  18. Why does electrical conductivity in a metal decrease as temperature increases?

    • Bonds are broken
    • Ions vibrate more
    • Electrons are lost
    • Ions move faster
  19. How many moles of delocalised electrons are present in 1 mol of aluminium?

    • 27 mol
    • 1 mol
    • 3 mol
    • 2 mol
  20. Why do metals usually have a high mass density?

    • Delocalised protons
    • Large atomic radii
    • Closely packed lattice
    • Weak metallic bonds

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