Matter Vocabulary
__________________ anything that has mass takes up space matter
__________________ describes an object (color, size, texture) property
__________________ small particle that is the basic unit of matter atom
__________________ two or more atoms chemically bonded together molecule
__________________ a physical property that describes the mass per unit volume of a substance solid liquid gas density
__________________ the positively charged particle in the nucleus of an atom proton
__________________ a particle with no charge in the nucleus of an atom neutron
__________________ negatively charged particles in an atom (in a cloud around the nucleus) electron
__________________ matter made of only one type of atom Examples: oxygen, calcium element
__________________ a chart that organizes all known elements Periodic Table
__________________ matter made by combining two or more different kinds of elements Examples: water compound
__________________ a formula composed of symbols and numbers that shows which elements make the compound Example: H 2 O chemical formula
__________________ two or more substances put together that do not form a compound Example: rocks, air mixture
__________________ a measure of the amount of matter in an object mass
__________________ symbols that show how matter changes during a chemical reaction chemical equation
__________________ Substance that is changed during a chemical reaction reactants
__________________ new substance created during a chemical reaction products