1) What is an ion? a) Atom that has lost or gained protons. b) Atom that has lost or gained electrons. c) Atom that has lost or gained neutrons. d) Atom that has lost or gained a nucleus. 2) Which kinds of elements form ionic bonds? a) Metals and metals. b) Non-metals and non-metals. c) Metals and non-metals. d) Plastics and ceramics. 3) What charges do ions from Group 1 and 2 form? a) Group 1 forms 1+, Group 2 forms 2+ b) Group 1 forms 3+, Group 2 forms 4+ c) Group 1 forms 2+, Group 2 forms 1+ d) Group 1 forms 2+, Group 2 forms 0+ 4) What charges do ions from Groups 6 and 7 form? a) Group 6 forms 6-, Groups 7 forms 7- b) Group 6 forms 1-, Groups 7 forms 2- c) Group 6 forms 3-, Groups 7 forms 4- d) Group 6 forms 2-, Groups 7 forms 1- 5) Name the force that holds oppositely charged ions together. a) Electric force of attraction. b) Electromagnetic force of attraction. c) Electrostatic force of attraction. d) Electrifying force of attraction. 6) Describe the structure of a giant ionic lattice. a) Regular structure of alternating positive and positive ions, held together by the electromagnetic force of attraction. b) Regular structure of alternating positive and negative ions, held together by the electromagnetic force of attraction. c) Regular structure of alternating positive and positive ions, held togethe d) Regular structure of alternating positive and negative ions, held together by the electrostatic force of attraction. 7) Why do ionic substances have high melting points? a) Electromagnetic force of attraction between positive and negative ions is strong and requires lots of energy to break. b) Electrostatic force of attraction between positive and negative ions is strong and requires lots of energy to break. c) Electrostatic force of attraction between positive and negative atoms is strong and requires lots of energy to break. d) Electrostatic force of attraction between positive and negative electrons is strong and requires lots of energy to break. 8) Why don't ionic substances conduct electricity when solid? a) Atoms are fixed in position so cannot move, and are no delocalised ions. b) Electrons are fixed in position so cannot move, and are no delocalised ions. c) Ions are fixed in position so cannot move, and are no delocalised electrons. d) Electrons are fixed in position so cannot move, and are no delocalised atoms. 9) When can ionic substances conduct electricity? a) When boiling or dissolved. b) When melted or saturated. c) When fixed or absorbed. d) When melted or dissolved. 10) Why do ionic substances conduct electricity when melted or dissolved? a) Electrons are free to move and carry charge. b) Ions are free to move and carry charge. c) Protons are free to move and carry charge. d) Atoms are free to move and carry charge.

C3.3 Ionic bonding

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