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