An oxide ion, O2–, has:
A) 8 protons and 10 electrons C) 8 protons and 7 electrons
B) 10 pro...
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Using data from seismic waves, geologists have learned that earth’s interior is made up of several
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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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In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j
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