carroll vocab. 17
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| atoms | the building blocks of matter
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| element | a material composed of one type of atom
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| brownian motion | perpetual jiggling of particles that are just large enough to be seen
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| molecule | smallest particle of a substance consisting of two more atoms that bond together by sharing electrons
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| compound | substance made of atoms of different elements combined in a fixed proportions
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| chemical formula | chemical formula of compound tells the proportion of each kind of atom in
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| nucleus | all of an atoms mass is packed into the dense central region-nucleus
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| nuleons | building blocks of the nucleus
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| neutrons | nucleons in an electronically neutral state
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| protons | nucleons in an electronically charged state
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| isotopes | atoms of the same element having different numbers of neutrons
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| atomic number | the # of protons in the nucleus
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| ion | atom with a net charge
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| shell model of the atom | electrons are pictured as orbiting in spherical shells around the nucleus.
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| periodic table | chart that lists atoms by heir atomic number and by their electron arrangements
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| plasma | a phase where matter consists of positive ions and free electrons.
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Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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