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Atoms of the alkaline earth elements have one valence electron.

A) True
B) False

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Write the element symbol for the element with the abbreviated electron configuration [Ar]4s23d6.

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The given abbreviated electron configura...

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What is the ground-state electron configuration for the calcium ion, Ca2+?


A) 1s22s22p63s23p6
B) 1s22s22p63s23p63d2
C) 1s22s22p63s23p64s2
D) 1s22s22p63s23p64s23d2
E) 1s22s22p63s23p63d4

F) B) and D)
G) C) and D)

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When the elements lithium and fluorine react, they become ions and form the ionic compound LiF: 2Li(s) + F2(g) → 2LiF(s) Which of the following atoms decreases in radius as reactants turn to products?


A) lithium
B) fluorine
C) Both lithium and fluorine decrease in size
D) Neither lithium nor fluorine decrease in size

E) All of the above
F) B) and C)

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Explain in terms of atomic structure why more energy is required to remove one electron from a fluorine atom than from a chlorine atom.

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Your friend wrote the electron configuration of selenium as 1s22s22p63s23p64s24d104p2. Describe how you would correct your friend's electron configuration.

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The electron configuration your friend w...

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Which of the following statements regarding spectra is incorrect?


A) Sunlight produces a continuous spectrum.
B) A heated ionic compound produces a line spectrum.
C) Several elements can produce the same line spectrum.
D) If you know the wavelength of a line in a spectrum, the energy of the light associated with that line can be calculated.
E) If you know the wavelength of a line in a spectrum, the frequency of the light associated with that line can be calculated.

F) None of the above
G) All of the above

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Write the element symbol for the element with the abbreviated electron configuration [Ar]4s23d8.

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Upon electrification, hydrogen produces a line spectrum with the following lines in the visible region of the electromagnetic spectrum. If the light emitted corresponds to transitions from the third (n = 3) , fourth (n = 4) , fifth (n = 5) , or sixth (n = 6) energy level down to the second (n = 2) , which transition corresponds to the emission of light with highest energy? Upon electrification, hydrogen produces a line spectrum with the following lines in the visible region of the electromagnetic spectrum. If the light emitted corresponds to transitions from the third (n = 3) , fourth (n = 4) , fifth (n = 5) , or sixth (n = 6) energy level down to the second (n = 2) , which transition corresponds to the emission of light with highest energy?   A) n = 2 → n = 3 B) n = 2 → n = 6 C) n = 3 → n = 2 D) n = 4 → n = 2 E) n = 6 → n = 3


A) n = 2 → n = 3
B) n = 2 → n = 6
C) n = 3 → n = 2
D) n = 4 → n = 2
E) n = 6 → n = 3

F) B) and C)
G) None of the above

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Write the element symbol for the element with the abbreviated electron configuration [Ne]3s23p2.

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The given abbreviated electron configura...

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When completing the orbital diagram for the element phosphorus, which of the following statements is correct?


A) There are five electrons in the n = 3 energy level.
B) The 2p sublevel is not full.
C) There are electrons in the 3d sublevel.
D) There are no electrons in the 3s sublevel.
E) There is one unpaired electron in the 3p sublevel.

F) D) and E)
G) A) and D)

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Write the element symbol for the element with the abbreviated electron configuration [Ne]3s23p4.

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The color of visible light with the longest wavelength is violet.

A) True
B) False

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The following orbital diagram corresponds to the element ________. The following orbital diagram corresponds to the element ________.   A) Br B) Cl C) P D) S E) Si


A) Br
B) Cl
C) P
D) S
E) Si

F) B) and D)
G) None of the above

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Which of the following statements regarding orbitals is correct?


A) There is no difference between the orbitals of the modern model of the atom and the orbits of the Bohr model of the atom.
B) A 1s orbital can be represented as a two-dimensional circle centered around the nucleus of an atom.
C) A 2p orbital is smaller than a 3p orbital.
D) The p orbitals always come in sets of four.
E) The d orbitals always have three lobes.

F) A) and D)
G) B) and D)

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Rank the following types of electromagnetic radiation from lowest frequency to highest frequency: visible, ultraviolet, microwave, infrared, x-ray.


A) x-ray < visible < ultraviolet < infrared < microwave
B) x-ray < ultraviolet < visible < microwave < infrared
C) x-ray < ultraviolet < visible < infrared < microwave
D) infrared < microwave < ultraviolet < visible < x-ray
E) microwave < infrared < visible < ultraviolet < x-ray

F) A) and E)
G) C) and D)

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There are three orbitals in the 2p sublevel.

A) True
B) False

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The color of visible light with the lowest energy is red.

A) True
B) False

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Some elements have electron configurations that deviate from normal electron filling rules. Which element has the ground-state electron configuration [Ar]4s13d10?


A) Ni
B) Ag
C) Cd
D) Sn
E) Cu

F) A) and B)
G) C) and D)

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The following orbital diagram corresponds to the element ________. The following orbital diagram corresponds to the element ________.   A) Al B) Si C) P D) S E) Cl


A) Al
B) Si
C) P
D) S
E) Cl

F) All of the above
G) C) and D)

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