1) This is an... a) mixture b) element c) compound 2) This is a... a) mixture b) element c) compound d) molecules 3) This is a.. a) mixture b) element c) compound d) molecules 4) This is a... a) mixture b) element c) compound 5) This is a... a) mixture b) element c) compound d) molecules 6) How many different elements are in H2O (water) ? a) 1 b) 2 c) 3 d) 4 7) How many different elements are in O2 (oxygen)? a) 1 b) 2 c) 3 d) 4 8) How many atoms in total are in H2O? a) 1 b) 2 c) 3 d) 4 9) How many atoms in total are in CO2 (carbon dioxide)? a) 1 b) 2 c) 3 d) 4 10) Main difference between a compound and a mixture? a) A compound is made of only one type of atom, a mixture is not b) A mixture is chemically combined c) A mixture is made up of only one type of atom, a compound is not d) A compound is chemically combined

JC Science Atoms, Compounds, Mixtures

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