1) Made up of 2 or more atoms. These can be the same type or different. a) Atom b) Molecule c) Compound d) Element 2) What is the name of the tiny particles which everything is made from? a) Atom b) Molecule c) Compound d) Element 3) A pure substance that cannot be broken down into any other substances, which is made from only one type of atom. a) Atom b) Molecule c) Compound d) Element 4) A pure substance made of two or more different elements chemically bonded together in a fixed ratio. a) Atom b) Molecule c) Compound d) Element 5) What is Helium? a) Compound b) Element 6) What is Water? a) Compound b) Element 7) What is Oxygen Gas? a) Compound b) Molecule 8) Oxygen Gas is a molecule, not a compound, because .... a) compounds are made up of 2 or more different elements chemically bonded b) compounds are made up of 2 or more same element chemically bonded 9) This diagram represents a) Elements b) Compounds 10) This diagram represents a) Molecule b) Compounds 11) This diagram represents a) Molecule b) Element

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