1) Which part of an atom has no charge, is found in the nucleus, and makes the atom heavier by adding more mass to it a) Neutron b) Proton c) Electron d) Nucleus e) Atom 2) Which part of an atom has a negative charge and is found around the outside of the nucleus? a) Atom b) Proton c) Nucleus d) Neutron e) Electron 3) Which part of an atom has a positive charge and is also the atomic number of an element? a) Atom b) Neutron c) Proton d) Electron e) Nucleus 4) Which of these best describes the methane model? a) 1 molecule with 5 total atoms b) 1 element with 5 total atoms c) 2 molecules representing 5 elements d) 2 elements representing 5 molecules 5) What is found on the periodic table? a) Elements b) Volume c) Atoms d) Compounds e) Mass f) Molecules 6) What are the smallest parts of an element? a) Molecules b) Atoms c) Electron d) Proton e) Neutron f) Compound 7) What happens to the mass of two substances when they combine and create a gas a) Stays the same b) Increases c) Decreases 8) What do we call two or more elements that have combined to create a new pure substance with new properties? a) Molecule b) Atom c) Matter d) Compound 9) What do we call the amount of space something takes up? a) Matter b) Volume c) Mass d) Compound e) Element 10) What do we call the number of atoms that make up an object? a) Volume b) Matter c) Mass d) Element e) Compound

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