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10 Cards in this Set
- Front
- Back
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What are Van der Waals forces?
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attractions between the positive and negative regions of a molecule
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What is a molecule?
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A compound in which the atoms are held together by covalent bonds.
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What is an ionic bond?
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am electrical attraction between 2 oppositely charged atoms called ions
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What is a covalent bond?
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a chemical bond where pairs of electrons are shared
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What is a compound?
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a pure substance formed when 2 or more different molecules combine.
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What is an isotope?
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atoms of an element that have different numbers of neutrons
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What is an element?
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a pure substance that can not be broken down.
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What is an atom?
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building blocks of matter
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What are the three atomic particles in an atom?
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Proton, neutron, and electron
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Where are protons and neutrons found?
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In the nucleus of the atom.
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