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11 Cards in this Set
- Front
- Back
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Atom |
The smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical attraction; the number of protons determines the identity of the element.
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Nucleus |
The center of the atom which contains the protons and neutrons; in cells, structure that contains the cell's genetic material and controls the cell's activities |
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Electron |
Negatively charged particles; locate outside the atomic nucleus |
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Element |
Substance consisting entirely of one type of atom |
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Isotope |
Atom of an element that has a number of neutrons different from that of other atoms of the same element |
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Compound |
Substance composed of two or more parts or elements
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Ionic Bond |
the electrostatic bond between two ions formed through the transfer of one or more electrons.
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Ion |
Atom that has a positive or negative charge |
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Covalent Bond |
The bond formed by the sharing of a pair of electrons by two atoms.
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Molecule |
Smallest unit of most compounds |
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Van Der Waals Forces |
weak, nonspecific forces between molecules.
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