Physics 9702 · AS & A Level · Atoms, nuclei and radiation

Atoms, nuclei and radiation — practice question

Which row correctly describes how atoms are arranged in the four types of material?

  • Aatoms have no long-range order: crystalline; atoms form giant chain-like molecules: amorphous; atoms have an ordered arrangement in regions, but these ordered regions are at angles to one another: polymeric; atoms are arranged in an ordered way throughout: polycrystalline
  • Batoms have no long-range order: polycrystalline; atoms form giant chain-like molecules: crystalline; atoms have an ordered arrangement in regions, but these ordered regions are at angles to one another: amorphous; atoms are arranged in an ordered way throughout: polymeric
  • Catoms have no long-range order: polymeric; atoms form giant chain-like molecules: polycrystalline; atoms have an ordered arrangement in regions, but these ordered regions are at angles to one another: crystalline; atoms are arranged in an ordered way throughout: amorphous
  • Datoms have no long-range order: amorphous; atoms form giant chain-like molecules: polymeric; atoms have an ordered arrangement in regions, but these ordered regions are at angles to one another: polycrystalline; atoms are arranged in an ordered way throughout: crystalline

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