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11 Cards in this Set
- Front
- Back
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Atom |
basic unit matter of |
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nucleus |
Strong forces bind protons and neutrons together, also found in center of the atom |
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electron |
is an negatively charged particle with 1/1840 the mass of a proton |
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element |
is a pure substance that consists entirely of one type of atom |
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isotope |
Atoms of the same element that differ in the numbers of neutrons they contain |
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compound |
is a substance formed by a chemical combination of two or more elements in definite proportions |
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ionic bond |
is formed when one or more electrons are transferred from one atom to another |
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ion |
these positively and negatively charged atoms |
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covalent bond |
forms when electrons are shared between atoms |
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molecule |
is the smallest unit of most compounds |
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van der Waals forces |
inter molecular forces of attraction |
