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9 Cards in this Set
- Front
- Back
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Atom
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The basic particle from which all elements are made
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Electron
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The negatively charged particle that is found outside the nucleus of an atom
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Nucleus
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The central core of an atom, containing protons and usually neutrons
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Protons
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Positively charged particles
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Energy Level
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A region of an atom in which atoms of the same energy are likely to be found
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Neutron
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A small particle in the nucleus of an atom, with no electrical charge
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Atomic Number
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The number of protons in the nucleus of an atom
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Isotope
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An atom with the same number of protons and a different number of neutrons from other atoms of the same element
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Mass Number
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A measure of how much matter is in an object
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