Ch 4 Atoms & Bonding
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| valence electron | the electrons that are in the highest energy level of an atom and that are involved in chemical bonding
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| electron dot diagram | a representation of the valence electrons in an atom, using dots
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| chemical bond | the force of attraction that holds 2 atoms together
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| ion | an atom or group of atoms that has become electrically charged
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| polyatomic ion | an ion that is made of more than one atom
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| ionic bond | the attraction between oppositely charged ions
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| ionic compound | a compound that contains positive and negative ions
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| chemical formula | symbols that show the elements in a compound and the ratio of elements
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| subscript | a number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound
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| crystal | a solid in which the atoms are arranged in a pattern that repeats again and again
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| covalent bond | a chemical bond formed when 2 atom share electrons
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| molecule | a neutral group of 2 or more atoms held together by covalent bonds
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| double bond | a chemical bond formed when atoms share two pairs of electrons
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| triple bond | a chemical bond formed when atoms share three pairs of electrons
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| molecular compound | a compound that is composed of molecules
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| nonpolar bond | a covalent bond in which electrons are shared equally
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| polar bond | a covalent bond in which electrons are shared unequally
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| metallic bond | an attraction between a positive metal ion and the electrons surrounding it
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| alloy | a mixture of 2 or more elements, at least one of which is a metal
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Created by:
lrlong
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