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Atoms, Molecules, and Compounds

  •  English    11     Public
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  • An _________ is the smallest unit of matter.
    atom
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  • A ________ is made up of two or more atoms.
    molecule
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  • In an atom, _________ have a positive charge.
    protons
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  • Orbiting the atom, _________ have a negative charge.
    electrons
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  • In an atom, _________ have no charge.
    neutrons
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  • Chemical ________ hold atoms together. There are 3 types; ionic, hydrogen, and covalent.
    bonds
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  • _________ are numbers to the bottom right of an element, and tell us how many atoms there are.
    subscripts
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  • Is this an atom or a molecule?
    molecule
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  • ________ have 2 or more atoms, and also multiple elements.
    compounds
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  • How many atoms are in this compound? Bonus: what compound is it?
    3 (H20)
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  • The center of an atom, made of protons and neutrons, is called the _______.
    nucleus
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