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