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The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.
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An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1:
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Chemistry, 22.06.2019 17:30
Energy defines the different "states" of matter. in no more than 3 sentences, describe the amount of kinetic energy that each of the 3 states of matter possesses and relate that to the atom/molecular motion of each "state".
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Chemistry, 22.06.2019 19:00
Which change to the system wood cause the freely-moving piston to lower?
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Can some one please show me how to figure this out K+H2O-KOH+H2...
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