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