1) Covalent bonding occurs between metals and non-metals. a) True b) False 2) Covalent bond is a shared pair of electrons a) True b) False 3) An oxygen molecule contains a double bond  a) True b) False 4) Sodium Chloride contains covalent bonds a) True b) False 5) How many electrons are there in a single covalent bond? a) 1 b) 2 c) 3 d) 4 6) Which is the correct way to describe the electrons in a covalent bond? a) transferred b) borrowed c) shared 7) How many electrons are there in a double bond? a) 2 b) 4 c) 6 d) 8 8) Which is the odd one out? a) water, H2O b) hydrogen chloride, HCl c) sodium chloride, NaCl d) oxygen, O2 9) Which of these are a simple covalent molecule? a) Cl2 b) H2O c) NaCl d) CaCO3

Covalent bonding

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