Why is the radius of a positive ion always less than the radius of its neutral atom? (a) the nucleus pulls the remaining electrons in closer.
(b) the number of principal energy levels is always reduced. (c) the atomic orbitals contract all by themselves (d) electron speeds are reduced
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The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation
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8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm
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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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Why is the radius of a positive ion always less than the radius of its neutral atom? (a) the nucleu...
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