Matching Pairs Matter Test ReviewOnline version Matter test review for students by Laura Jarrett 1 Center of an atom that contains protons and neutrons 2 Substance that consists of only one type of atom 3 Atom of an element that has the same number of protons and neutrons but a different number of electrons 4 Center of an atom that contains protons and neutrons 5 substance containing atoms of two or more different elements chemically bonded together 6 Atom of an element that has the same number of protons and electrons but different number of neutrons 7 Atomic mass - atomic number = 8 Particle that has no charge and is found in the nucleus 9 Representation that gives the total number of atoms of each element in a substance i.e. H2O, CaCO3 10 This number from an element box tells you how many protons and electrons are in an atom 11 Representation of an element found on the Periodic Table i.e. H, O, Ca 12 Substances created in a chemical equation 13 Negatively charged particle that occupies the space in an atom outside the nucleus 14 Starting substances in a chemical equation Element Isotope Number of neutrons in an atom Nucleus Electron cloud Compound Chemical symbol Ion Atomic number Electron Neutron Reactants Products Chemical formula
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