In the ground state of a cobalt atom there are _____ unpaired electrons and the atom is _____.
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The outer electronic configuration ns2np4 corresponds to which one of the following elements in its ground state?
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Which of the following electron configurations is correct for nickel?
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The ground state electron configuration for arsenic is
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The maximum number of electrons that can be accommodated in a sublevel for which l = 3 is
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Which atomic orbital is spherical in shape?
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Which statement about the four quantum numbers which describe electrons in atoms is incorrect?
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The Heisenberg Principle states that ____________
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Which of the responses contains all the statements that are consistent with the Bohr theory of the atom (and no others)?
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The emission spectrum of gold shows a line of wavelength 2.676 x 10-7 m. How much energy is emitted as the excited electron falls to the lower energy level?
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3p orbital has _____ radial nodes
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Naturally occurring rubidium consists of just two isotopes. One of the isotopes consists of atoms having a mass of 84.912 amu; the other of 86.901 amu. What is the percent natural abundance of the heavier isotope?
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