1) What is a substance that only contains one type of atom? a) Compound b) Element c) Mixture d) Particle 2) What is this? a) Element b) Mixture c) Compound d) Particle 3) What is this? a) Element b) Mixture c) Compound d) Particle 4) What is this? a) Element b) Mixture c) Compound d) Particle 5) What compound could this be? a) CO2 b) Cl2 c) HCl d) Ne 6) What is the symbol for magnesium? a) mg b) Mg c) MG d) mG 7) What is the symbol for potassium? a) P b) Po c) Pt d) K 8) What compound do zinc and sulphur make? a) Zinc sulphate b) Zinc sulphide c) Zinc sulphur d) Sulphur zincide 9) Compounds contain the suffix -ide when they contain.... a) Metal, metal b) Non-metal, non-metal c) Metal, non-metal d) Metal, non-metal, oxygen 10) Which of the following equations are balanced? a) 2Mg + 2Cl --> MgCl2 b) CH4 + O2 --> CO2 + H2O c) 2Fe + 3Cl2 --> 2FeCl3 d) C4H6O3 + H2O --> C2H4O2

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