IGCSEScienceCambridge (CIE)Combined ScienceChemistryExam Questions2. Atoms, Elements & CompoundsIons & Ionic Bonds

Ions & Ionic Bonds (Cambridge (CIE) IGCSE Combined Science: Chemistry): Exam Questions

Exam code: 0653

2 mins2 questions
1
1 mark

Which statement about ionic compounds is correct?

  • They are good electrical conductors when dissolved in water.

  • They are good electrical conductors when molten and when solid.

  • They are formed when atoms share electrons.

  • They have low melting points.

Choose your answer

2
1 mark

Which statement describes the giant lattice structure of sodium chloride?

  • It is a random arrangement of alternating positive and negative ions.

  • It is a random arrangement of alternating sodium and chlorine atoms.

  • It is a regular arrangement of alternating positive and negative ions.

  • It is a regular arrangement of alternating sodium and chlorine atoms.

Choose your answer