1) Have posotive ions gained or lost electrons a) gained b) lost 2) Have negative ions gained or lost electrons a) lost b) gained 3) what is ionic bonding a) metal and non metal b) metal and metal c) non metal and non metal 4) what is metallic bonding a) metal and non metal b) metal and metal c) non metal and non metal 5) what is covalent bonding a) metal and metal b) non metal and non metal c) non metal and metal 6) Which of these statements about a negative ion is true? a) It has an equal number of protons and electrons b) It has more protons than electrons c) it has more electrons than protons 7) How do metal atoms form ions? a) They lose electrons to form negative ions b) They gain electrons to form positive ions c) They lose electrons to form positive ions 8) What force is overcome when covalent molecular substances melt or boil? a) Intermolecular forces b) Covalent bonds in molecules c) Electrostatic forces between ions 9) Which of the following pairs of elements would join together with ionic bonding? a) Iron and sulfur b) Iron and chromium c) Hydrogen and sulfur 10) In a dot and cross diagram, what does each dot and cross represent? a) a proton b) a electron c) a neutron 11) What is the greatest number of covalent bonds that one carbon atom can form? a) 2 b) 3 c) 4 12) What is a covalent bond? a) A bond formed between oppositely charged ions b) A bond formed when two atoms share a pair of electrons c) A bond formed by delocalised electrons

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