1) What type of substance is this? a) Element b) Compound c) Mixture 2) What type of substance is this? a) Element b) Compound c) Mixture 3) What atoms are found in CH4 (methane)? a) 4 carbons and 4 hydrogens b) 1 carbon and 1 hydrogen c) 1 carbon and 4 hydrogens d) 4 carbons and 1 hydrogen 4) What words could describe this substance? a) Atoms b) Molecule c) Element d) Compound e) Mixture 5) What words could describe this substance? a) Atoms b) Molecule c) Element d) Compound e) Mixture 6) What words best describe the whole image together? a) Atoms b) Molecules c) Element d) Compound e) Mixture 7) What are the differences between elements and compounds? a) Compounds always contain more atoms b) Elements only have one type of atom, compounds have more than one c) Elements are never molecules d) Compounds are always molecules e) Only elements are found in the periodic table 8) Which of these are elements? a) Oxygen b) Water c) Carbon dioxide d) Nitrogen e) Copper f) Steel 9) Which of these are compounds? a) Carbon b) Sulphur dioxide c) Methane d) Lithium e) Neon f) Copper sulphate 10) Which of these are mixtures? a) Ink b) Water c) Sugar d) Salt water e) Air f) Blood

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