1) Why do atoms form ions? a) To make sure they have the same number of protons as neutrons. b) To make their atomic mass the same as their atomic number. c) To reduce the number of electron shells d) To produce a full outer shell of electrons. 2) How do metals form ions? a) By gaining an electron from a non metal. b) By losing a proton to another metal. c) By losing one (or more) electrons to a non - metal. d) By gaining a proton from another atom. 3) How do non-metals form ions? a) By gaining electron(s) from a metal. b) By losing a proton to another non metal. c) By losing one (or more) electrons to a metal. d) By gaining a proton from another atom. 4) Which elements form positive ions? a) Metals b) Non-metals c) Gases d) Diatomic elements 5) How do non-metal elements form colvalent bonds? a) by gaining or losing electrons to form oppositely charged atoms b) By sharing protons c) By sharing unpaired outer electrons d) By sharing their paired-up outer electrons 6) Which elements form negative ions? a) All Metals b) Non-metals c) Transition Metals d) Noble gases 7) What holds ions together? a) Delocalised electrons b) A shared pair of electrons c) Electrostatic attraction between oppositely charged ions. d) Fairy dust. 8) What phrase best describes an ionic solid? a) A regular lattice of ions surrounded by delocalised electrons. b) A regular lattice of ions surrounded by delocalised protons. c) A regular lattice of positive and negatively charged ions d) An arrangement of ions with no recognisable order. 9) Ionic compounds are solid at room temperature a) True b) False 10) Ionic compounds have high melting points because..... a) They are made from very heavy particles which are difficult to get moving. b) The bonds between ions are very strong and need a great deal of energy to break them. c) The ions are very cold. d) They have weak attractions between them 11) Covalent Molecular compounds have low melting points because..... a) They are made from very heavy particles which are difficult to get moving. b) The bonds between the atoms within the molecule are very strong and need a great deal of energy to break them. c) They have weak bonds between the atoms within their molecules d) They have weak attractions between their molecules

Ionic Bonding and Covalent Bonding Quiz

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