Ionic bonding Quiz
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5 questions, one answer each
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1. Which statement about ionic bonding is correct?
- A. Electrons are shared between two non-metals
- B. Electrons are transferred from a metal to a non-metal
- C. Protons are transferred from a metal to a non-metal
- D. Electrons move freely through the whole structure
2. What is the formula of the ionic compound formed from Mg²⁺ and Cl⁻ ions?
- A. MgCl
- B. Mg₂Cl
- C. MgCl₂
- D. Mg₂Cl₂
3. Why is solid sodium chloride a non-conductor of electricity?
- A. It has no ions
- B. Its ions are fixed in position and cannot move
- C. It has no electrons
- D. It has a low melting point
4. A student hits a crystal of an ionic compound with a hammer and it shatters. Which property does this show?
- A. It is brittle
- B. It is a good conductor
- C. It has a low melting point
- D. It is a metal
5. A calcium atom (Group 2) reacts with an oxygen atom (Group 6). What happens?
- A. Calcium gains two electrons and oxygen loses two
- B. Calcium loses two electrons and oxygen gains two
- C. They share two pairs of electrons
- D. Calcium loses six electrons