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19 Cards in this Set
- Front
- Back
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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 two 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 consists of positive and negative ions |
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Chemical formula |
Symbols that show the elements in a compound and the ratio of atoms |
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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 that formed when two atoms share electrons |
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Molecule |
A neutral group of two 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 two or more elements, at least one of which is a metal |
