1) What is CO2? a) Carbon Dioxide b) Carbon Monxide c) Chorine d) Carbon 2) How many electrons are in Helium? a) 5 b) 2 c) 3 d) 1 e) 13,012 f) 34 3) How many electrons are in Cobalt? a) 35 b) 75 c) 23 d) 2 e) 41 f) 27 4) What row is lithium in the periodic table? a) 122 b) 8 c) 3 d) 9 e) 1 f) 2 5) Who invented the periodic table? a) Dmitri Mendeleev b) Oliver Pitts c) Ciaran Hall

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