Chemistry, 28.06.2019 03:30 areynaguzman100
Describe how light is emitted from an atom. a) as protons absorb energy they travel from the nucleus through the atom emitting light along the way. b) the light is emitted when energy from sunlight is absorbed by the atom to excite a neutron into a higher level. c) when the nucleus absorbs sunlight, photons are energized and move to a higher energy level and are then released. d) light is emitted from an atom as an electron falls from an excited state to the ground state releasing a photon.
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When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —
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The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
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Describe how light is emitted from an atom. a) as protons absorb energy they travel from the nucleus...
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