GrapheneVersión en línea A quiz about graphene. por Emma Sankey 1 What is graphene made of? a One layer of oxygen atoms. b One layer of carbon atoms. c Metal. d Plastic. 2 Choose the correct properties of graphene. Choose one or more answers a Brittle b Strong c Soft d Flexible 3 When was graphene discovered? a 1946 b 1987 c 2004 d 2015 4 Choose the correct properties of graphene. Choose one or more answers a Conductive b Absorbent c Soluble d Light 5 Why is graphene used to make batteries? a It is very heavy. b It is very fragile. c It is very conductive. d It is very strong. 6 Why is graphene used to make touch screens for tablets? a It is absorbent and elastic. b It is insulating and flexible. c It is rough and waterproof. d It is light and transparent.
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