Question 1

How many electrons are there in the 3rd principal energy level (n = 3)  of a phosphorus atom?

Accepted Answer

A)  3
B)  5
C)  6
D)  8
E)  10F) A) and D)
G) A) and E)

Question 2

List the following types of radiation from lowest frequency to highest frequency: microwave, X ray, ultraviolet, visible, and infrared

Accepted Answer

A)  microwave 
B)  X ray 
C)  visible 
D)  infrared 
E)  infrared < visible < microwave < ultraviolet < X rayF) A) and B)
G) C) and E)

Question 3

Determine which sublevel designation is legitimate.

Accepted Answer

A)  1p
B)  2p
C)  3f
D)  4zE) A) and D)
F) A) and C)

Question 4

Atomic orbitals developed using quantum mechanics

Accepted Answer

A)  describe regions of space in which one is most likely to find an electron.
B)  describe exact paths for electron motion.
C)  give a description of the atomic structure which is essentially the same as the Bohr model.
D)  allow scientists to calculate an exact volume for the hydrogen atom.
E)  are in conflict with the Heisenberg uncertainty principle.F) B) and D)
G) C) and E)

Question 5

Select the element with the greatest metallic character.
A)Li
B)Ca
C)Al
D)Pb
E)Cs

Accepted Answer

The answer of Select the element with the greatest metallic...

Question 6

What is the electron configuration for silicon?

Accepted Answer

A)  1s22s22p63s13p3
B)  1s22s22p63s23p2
C)  1s22s22p63s4
D)  1s22s22p63p4
E)  1s22s22p63s23p3F) B) and E)
G) A) and B)

Question 7

Select the element that will lose an electron most easily, based on the periodic trend.

Accepted Answer

A)  Li
B)  Na
C)  K
D)  HeE) A) and B)
F) C) and D)

Question 8

How many orbitals can have the 4s description in a given atom?

Accepted Answer

A)  1
B)  2
C)  3
D)  5E) B) and C)
F) None of the above

Question 9

Determine which sublevel designation is legitimate.

Accepted Answer

A)  1f
B)  2d
C)  3c
D)  4sE) None of the above
F) A) and B)

Question 10

Which of these choices is the electron configuration for the aluminum ion?

Accepted Answer

A)  1s22s22p63s2
B)  1s22s22p63s23p2
C)  1s22s22p63s23p1
D)  1s22s22p6
E)  1s22s22p63s23p4F) B) and E)
G) B) and D)

Question 11

The general electron configuration for noble gas atoms is

Accepted Answer

A)  ns2np6.
B)  ns2np5.
C)  ns2np4.
D)  ns2np3.
E)  ns2.F) A) and C)
G) All of the above

Question 12

The orbital diagram for a ground-state nitrogen atom

Accepted Answer

The answer of The orbital diagram for a ground-state nitrogen...

Question 13

Which ground-state atom has an electron configuration described by the following orbital diagram?

Accepted Answer

A)  phosphorus
B)  germanium
C)  selenium
D)  tellurium
E)  potassiumF) B) and E)
G) All of the above

Question 14

Which of these choices is the electron configuration for the chloride ion?

Accepted Answer

A)  [Ne]3s23p4
B)  [Ne]3s23p7
C)  [Ar]
D)  [Ar]4s1
E)  [Ne]3s23p5F) D) and E)
G) All of the above

Question 15

Using the periodic table, predict the charge on the common ion of calcium.

Accepted Answer

A)  +1
B)  +2
C)  −1
D)  −2E) None of the above
F) A) and B)

Question 16

Using the periodic table, predict the charge on the common ion of bromine.

Accepted Answer

A)  +1
B)  +2
C)  −1
D)  −2E) All of the above
F) A) and B)

Question 17

Select the element with the least metallic character.
A)Sn
B)Sr
C)Tl
D)Ge
E)Ga

Accepted Answer

The answer of Select the element with the least metallic...

Question 18

Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to the greatest energy.

Accepted Answer

A)   radio, infrared, ultraviolet, gamma rays
B)   radio, ultraviolet, infrared, gamma rays
C)   gamma rays, infrared, radio, ultraviolet
D)   gamma rays, ultraviolet, infrared, radio
E)   infrared, ultraviolet, radio, gamma raysF) A) and D)
G) D) and E)

Question 19

Which of the following electron transitions would be expected to absorb any light in the Bohr model of the atom?

Accepted Answer

A)  n = 1 to n = 3
B)  n = 3 to n = 2
C)  n = 4 to n = 2
D)  n = 6 to n = 5E) A) and C)
F) B) and C)

Question 20

Determine which sublevel designation is not legitimate.

Accepted Answer

A)  4s
B)  2d
C)  3s
D)  5pE) A) and C)
F) None of the above

Exam 2: Electrons and the Periodic Table

Which of these choices is the electron configuration for the chloride ion?

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Select the element with the least metallic character. A)Sn B)Sr C)Tl D)Ge E)Ga

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Which ground-state atom has an electron configuration described by the following orbital diagram?

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The general electron configuration for noble gas atoms is

Correct AnswerverifiedShow Answer

How many orbitals can have the 4s description in a given atom?

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Determine which sublevel designation is legitimate.

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How many electrons are there in the 3rd principal energy level (n = 3) of a phosphorus atom?

Correct AnswerverifiedShow Answer

Determine which sublevel designation is not legitimate.

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What is the electron configuration for silicon?

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List the following types of radiation from lowest frequency to highest frequency: microwave, X ray, ultraviolet, visible, and infrared

Correct AnswerverifiedShow Answer

Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to the greatest energy.

Correct AnswerverifiedShow Answer

Select the element that will lose an electron most easily, based on the periodic trend.

Correct AnswerverifiedShow Answer

Determine which sublevel designation is legitimate.

Correct AnswerverifiedShow Answer

Select the element with the greatest metallic character. A)Li B)Ca C)Al D)Pb E)Cs

Correct AnswerverifiedShow Answer

Which of the following electron transitions would be expected to absorb any light in the Bohr model of the atom?

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Using the periodic table, predict the charge on the common ion of calcium.

Correct AnswerverifiedShow Answer

Using the periodic table, predict the charge on the common ion of bromine.

Correct AnswerverifiedShow Answer

Which of these choices is the electron configuration for the aluminum ion?

Correct AnswerverifiedShow Answer

The orbital diagram for a ground-state nitrogen atom is

Correct AnswerverifiedShow Answer

Atomic orbitals developed using quantum mechanics

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How many electrons are there in the 3^rd principal energy level (n = 3) of a phosphorus atom?

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