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