How many orbitals have the following quantum numbers: n=4, L=1? Select one: a. 0

Question

How many orbitals have the following quantum numbers: n=4, L=1?

Select one:

a. 0

b. 5

c. 1

d. 4

e. 3

Which of the following sets of quantum numbers refers to a 3p orbital?

Select one:

a. n=3, L=0, mL=0, ms=+1/2

b. n=3, L=3, mL=-2, ms=+1/2

c. n=3, L=3, mL=3, ms=+1/2

d. n=3, L=2, mL=1, ms=+1/2

e. n=3, L=1, mL=-1, ms=+1/2

Since radio waves are much longer than the short wavelengths of gamma radiation, the radio waves will have a much slower velocity in a vacuum.

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True

False

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The lowest allowed energy state of a species is called the Ground State.

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True

False

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Light having a wavelength of 670 nm has more energy than light of wavelength 6.70 nm.

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True

False

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Positive ions are smaller than the metal atoms from which they are formed.

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True

False

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Negative ions are smaller than the nonmetal atoms from which they are formed.

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True

False

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The electron configuration of the bromide ion is the same as that for the noble gas closest to it, krypton.

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True

False

Which of the following atoms would have the largest second ionizaion energy?

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a. Na

b. Mg

c. Sr

d. Ba

e. Ca

In all filled orbitals the electrons will have parallel spins.

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True

False

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In accordance with Hund's rule, within a given sublevel there are as many half filled orbitals as possible.

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True

False

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Ths "S" orbitals are spherical in shape.

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True

False

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The electron density of the 3 p orbitals is directed along the x, y, and z axis.

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True

False

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Under certain conditions, the quantum number "n" can have negative values.

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True

False

Explanation / Answer

Ans:1. (c) 3

Ans:2 (e)

Ans:3 False, because in vaccum velocity remains same.

Ans:4. True

Ans.5. False

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