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18 Cards in this Set
- Front
- Back
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Electron |
negatively charged, subatomic particle |
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electron |
orbits the nucleus at 3/4 the speed of light |
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electron |
subatomic particle that accounts for the least amount of mass in an atom, 0.0018 Atomic Mass Unit |
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electron |
critical in atomic bonding |
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electron cloud |
area around nucleus where electrons orbit on energy levels |
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valence energy level |
outer most energy level of the electron cloud |
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neutron |
subatomic particle in the nucleus with no charge |
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neutron |
neutral, subatomic particle with an Atomic Mass Unit of 1 |
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proton |
subatomic particle in the nucleus with a positive charge |
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proton |
subatomic particle in the nucleus with an atomic mass of 1 and an electrical charge |
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nucleus |
central region of atom with an overall positive charge |
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nucleus |
contains protons and neutrons |
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nucleus |
the most dense part of the atom |
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nucleus |
is very small yet contains most of the atom's mass |
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nucleus |
smallest part of the atom that retains the atom's properties |
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proton |
the number of these subatomic particles determines the type of element the atom is |
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atom |
smallest particle of an element that still retains the element's properties |
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area between the nucleus and electrons |
occupies the most space taken up by the atom |
