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22 Cards in this Set
- Front
- Back
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Atom
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Th smallest unit of an element tht maintaibs the properties of tht element
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Atomic mass unit
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Unit of mass thts exactly 1\12 th mas of carbon-12 atom
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Atomic number
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Number of protons in th nucleus of each atom of an element
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Average atomic mass
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The weighted avg of th atomic masses of th naturally occuring isotopes of an element
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Avogadros number
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6.022 1367 x 10^23
th number of particles in exactly one mole of a pure substance |
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Electron
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Neg charged particle
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Isotope
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Atoms of th same element tht have diff masses
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Mass number
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Th total number of protons and neutrons in th nucleus of an isotope
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Molar mass
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Th mass of one mole of a pure substance
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Nucleide
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Th general term for any isotooe of any element
Another term for an atom thts identified by th number of protons and neutrons in its nucleus |
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Neutron
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Neutrally charged particle
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Proton
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Positively charged particle
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Continuous spectrum
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Th emussion of a continuous range of frequencies of electromagnetic radiation
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Electromagnetic radiation
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A form of energy tht exibits wavelike behavior as it travels thru space
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Frequency
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Number of waves tht pass a given point ina soecific time, usually one second
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Ground state
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Lowest energy state of an atom
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Line-emission spectrum
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A series of specific wavelengths of emitted light created wen th visibke portion of light from excited atoms is shined thru a prism
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Orbital
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A 3-D region around th nucleus tht indicates th probable location of an electron
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Photoelectric effect
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Th emissiin of electrons from a metal wen light shines on th metal
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Photon
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A particle of electromagnetic radiation tht has zero rest mass and carries a quantum of energy
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Quantum
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Th minimum quantity of energy tht cn be gained or lost by an atom
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Wavelength
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Th distance between corresponding points on adjacent waves
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