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11 Cards in this Set
- Front
- Back
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Atom |
basic unit of matter |
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Nucleus |
strong forces that bind protons and neutrons together |
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Electron |
a negatively charged particle (-) |
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Element |
a pure substance that consists entirely of one type of atom |
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Isotopes |
atoms of the same element that differ in the number of neutrons they contain |
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Compund |
a substance formed by the chemical combination of two or more elements in definite proportions |
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Ionic Bond |
formed when one or more electrons are transferred form one atom to another |
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Ions |
positively and negatively charged atoms |
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Covalent Bond |
forms when electrons are shared between atoms |
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Molecule |
the smallest unit of most compounds |
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Van der Waals Forces |
a slight attraction can develop between the oppositely charged regions of nearby molecules |
