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8 Cards in this Set
- Front
- Back
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atom:
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The smallest unit of matter that cannot be broken down by chemical means. different from a cell
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chemical bond:
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an attraction between atoms that allows the formation of chemical substances that contain two or more atoms.
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compound:
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A substance made of the joined atoms of two or more different elements.
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element:
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A pure substance made only of one kind of atom. Examples are seen on the periodic table of elements.
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Hydrogen bond:
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A weak chemical attraction between polar molecules. Polar molecules are molecules with an unequal distribution of electrical charges.
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matter:
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Is anything that has mass and takes up space.
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Covalent bond:
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Form when two or more atoms share electrons to form a molecule
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Molecule:
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A group of atoms held together by covalent bonds.
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