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| The electrons that are in the highest energy level of an atom that are involved in the chemical reactions |
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A representation of the valence e's in an atom, using dots
EX: Mg: |
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| The force that holds atoms together |
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| An atom or group of atoms that has become electrically charged |
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| An ion that is made of more than one atom |
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| The attraction between oppositely charged ions |
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| A combination of symbols that represents the elements in a compound and their properties |
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| 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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| the number of electrons an atom gains, loses, or shares when it forms a chemical bond |
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| A chemical bond formed when two atoms share electrons |
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| a compound that is composed of molecules |
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a molecule consisting of two atoms.
Ex: 02 H2 |
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| a covalent bond in which electrons are shared unequally |
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| A covalent bond in which electrons are shared equally |
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| An attraction between a positive metal ion and the electrons surrounding it |
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| A mixture of two or more elements, one of which is a metal |
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