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7 Cards in this Set
- Front
- Back
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ionic bonds |
bonds that form when when atoms gain or lose electons always form between metals and non metals |
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covalent bonds |
a bond formed when atoms share electrons in the outermost shell always form between 2 or more non metals |
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compound |
substance made from two or more elements |
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molecule |
group of atoms held together by covalent bonds
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hydrogen bond |
a bond that holds one polar molecule to another charged molecule weakest of the 3 bonds found in DNA & water |
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polar molecule |
any molecule that is overall neutral (protons = electrons) |
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ions |
atoms that have a charge' atoms that gain electrons= - charged atoms that lose electrons=+ charged |
