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10 Cards in this Set
- Front
- Back
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What subatomic particles make up an atom?
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protons, nuetrons, electrons
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List the charge, the mass in amu., and the location of the proton.
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+1 charge,
1 mass in amu, located in the nuclues |
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List the charge, the mass in amu., and the location of the nuetron.
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0 charge,
1 mass in amu, Located in nucleus |
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List the charge, the mass in amu., and the location of the electron.
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-1 charge
0 mass in amu, Located in the orbitals outside of the nucleus |
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What is the elemental stage?
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The elemental stage always has a neutral charge because the number of protons is always equal to the number of electrons.
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Why is electron configuration important?
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Electron configuration is important because it determines how a particular atom will react with atoms of other elements.
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When does the ground state occur?
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The ground state occurs in an atom when electrons are found in the lowest available energy level.
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When does an excited state occur?
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An atom is in a excited state when an atom absorbs energy and electrons move to a higher energy level.
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What is an isotope?
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Istopes are atoms of one element that vary only in the number of nuetrons in the nucleus.
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What is a radioactive isotope?
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A radioactive isotope is one in which the nucleus decays spontaneously, giving off particles and energy.
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