True/False
Indicate whether the statement is true or
false.
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1.
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The second principal shell, the l shell, has two subshells, which are
designated 2s and 2p.
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Multiple Choice
Identify the choice that best completes the statement or
answers the question.
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2.
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The Principle Quantum Number (n) measures the ____________.
a. | average distance of the electron from the nucleus | b. | radius of the
molecule | c. | number of positive charges | d. | number of negative
charges |
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3.
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The orbit of lowest energy that an electron occupies is called _________.
a. | a subshell | b. | a shell | c. | the ground
state | d. | an ion |
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4.
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The Azimuthal Quantum Number (l) describes _____________.
a. | radius of the molecule | b. | the spin of the electron | c. | the shape of the
orbital that an electron will occupy | d. | average distance of the electron from the
nucleus |
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5.
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The electron can spin in a _____________ (+) or a ______________ (-)
direction.
a. | clockwise, counterclockwise | b. | counterclockwise, clockwise | c. | upward,
downward | d. | downward, upward |
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