1) how many elements are there a) 888 b) 108 c) 8 d) 118 2) what is the chemical symble for gold a) Ua b) Fg c) Au d) au 3) what is the biggest atom a) copper b) gold c) silver d) francium 4) what gas is mainly in air a) oxcygen b) nitrogen c) propane d) helium e) argon f) methane 5) which gas is the worst for the world a) methane b) argon c) propane d) helium 6) a solids atoms are a) compact b) compactable

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