Chemistry, 01.09.2019 21:30 kashaallen492
Why is the atomic mass of many elements not a whole number? a. elements are unstable. b. an element may have isotopes with different numbers of neutrons. c. the atomic mass includes all the electrons. d. isotopes are always expressed in decimals.
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The clouds are grey and ground is wet. a quantitative b qualitative
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What is the maximum number of electrons that an atomic orbital can contain?
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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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Why is the atomic mass of many elements not a whole number? a. elements are unstable. b. an element...
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