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9 Cards in this Set
- Front
- Back
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Element |
made of only one kind of atom |
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Protons |
part of the atom with a positive charge found in the nucleus. |
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Electrons |
part of the atom with a negative charge found in the electron cloud outside the nucleus. |
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Neutrons |
part of the atom with no charge (neutral) found in the nucleus of the atom. |
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Electron Cloud |
Region outside the nucleus where electrons are found. |
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Atomic number |
the number of protons in an atom of an element. |
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Isotope |
atoms of the same element that have different numbers of neutrons. |
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Mass number |
the number of neutrons PLUS the number of protons. |
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periodic table |
elements organized into a table by increasing atomic number. |
