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substance containing two or more elements chemically combined in a fixed ratio
an unstable atom in which the nucleus decays (breaks down) releasing particles and energy
occurs when atoms transfer electrons to other atoms
indicates the formation of new substances from previous substances
interaction of substances that lead to the formation of new substances
a covalent bond in which one pair of electrons is shared
electrons in the outermost energy level; they are involved in bond formation
ending materials of a reaction; found on right side of chemical equation
shows the number and types of atoms in a molecule and how they are arranged
protons and neutrons together; make up the center of an atom
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single bond
a covalent bond in which one pair of electrons is shared
ionic bond
occurs when atoms transfer electrons to other atoms
radioactive isotope
an unstable atom in which the nucleus decays (breaks down) releasing particles and energy
chemical reaction
interaction of substances that lead to the formation of new substances
chemical reaction
indicates the formation of new substances from previous substances
structural formula
shows the number and types of atoms in a molecule and how they are arranged
compound
substance containing two or more elements chemically combined in a fixed ratio
product
ending materials of a reaction; found on right side of chemical equation
