Chemistry 3.0 / 5 based on 1 rating ? ChemistryGCSEWJEC Created by: AbiraptorCreated on: 10-04-13 21:16 What are atoms made of? Negatively charged electrons, positively charged electrons and neutrons with no charge. 1 of 6 What does each element have? a name, a symbol, a proton number and an atomic mass number. 2 of 6 What properties do metals have? Excellent conductors of heat electricity, shiny, hard and strong, high mealting and boiling points. 3 of 6 What properties do metalloids have? semi conductors of electricty; conducts heat, maybe shiny or dull, maybe strong or weak, medium melting and boiling points. 4 of 6 What properies do non-metals have? Poor conductors of heat and electricity, good insulators, dull, weak, brittle, low mealting and boiling points. 5 of 6 What happens in a chemical reaction? The atoms are rearranged and bond to new partners and form new substances. The same amount of atoms are still there. 6 of 6
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