1) Everything made of tiny particles called atoms a) Energy law b) Atomic theory 2) Made of the same kind of atoms a) Element b) Compound 3) The smallest part of the compound a) Atom b) molecule 4) is a) molecule b) compound 5) is a) molecule b) compound c) Both 6) Sodium Chloride(table salt) Has the same properties of sodium and chlorine a) true b) false 7) CO differers from CO2 because a) the kind of the atoms is different b) the number of atoms is different 8) To decide after collecting data ,this is a) investigation b) conclusion 9) The element take the same name of the atoms inside it. a) true b) false

model matter

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