Question 1

The radius of a magnesium atom is larger than the radius of a sodium atom.

Accepted Answer

A) True 
 B)False

Question 2

Which one of these elements is a gas at room temperature?

Accepted Answer

A)  antimony 
B)  phosphorus 
C)  nitrogen 
D)  arsenic 
A)  antimony 
B)  phosphorus 
C)  nitrogen 
D)  arsenic

Question 3

The fourth shell contains four subshells.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following correctly arranges the given subshells in order of increasing energy (lowest to highest)?

Accepted Answer

A)  2s < 3d < 4s 
B)  4s < 3p < 3s 
C)  2s < 3d < 4p 
D)  4p < 4f < 5s 
A)  2s < 3d < 4s 
B)  4s < 3p < 3s 
C)  2s < 3d < 4p 
D)  4p < 4f < 5s

Question 5

Which of the following is a representation of a p orbital?

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
A) 
  
B) 
  
C) 
  
D)

Question 6

What is the maximum number of electrons that can occupy the third shell?

Accepted Answer

A)  2 
B)  10 
C)  18 
D)  32 
A)  2 
B)  10 
C)  18 
D)  32

Question 7

In which of the following elements does the distinguishing electron occupy a d subshell?

Accepted Answer

A)  Cr 
B)  O 
C)  Kr 
D)  Sr 
A)  Cr 
B)  O 
C)  Kr 
D)  Sr

Question 8

Which of the following is the correct designation for an electron occupying the orbital shown below?

Accepted Answer

A)  2p 
B)  3s 
C)  3d 
D)  4f 
A)  2p 
B)  3s 
C)  3d 
D)  4f

Question 9

Which of the following elements is most likely to be a metalloid?

Accepted Answer

A)  Ge 
B)  Mo 
C)  S 
D)  Cs 
A)  Ge 
B)  Mo 
C)  S 
D)  Cs

Question 10

The d and f sublevels do not fill when expected because the energy levels for periods can overlap.

Accepted Answer

A) True 
 B)False

Question 11

Metalloids can express the characteristics of both metals and nonmetals.Which of the elements below is more likely to have the characteristics of a metal than a nonmetal?

Accepted Answer

A)  As 
B)  Se 
C)  Si 
D)  Sb 
A)  As 
B)  Se 
C)  Si 
D)  Sb

Question 12

The magnesium atom loses an electron easier than a calcium atom.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following statements conforms to the trends within the Periodic Table of the Elements?

Accepted Answer

A)  Elements become more likely to be gases at the bottom of a group. 
B)  Elements become more likely to be a solid at the bottom of a group. 
C)  Elements become more likely to be darkly colored at the bottom of a group. 
D)  Elements become more likely to be more brittle at the bottom of a group. 
A)  Elements become more likely to be gases at the bottom of a group. 
B)  Elements become more likely to be a solid at the bottom of a group. 
C)  Elements become more likely to be darkly colored at the bottom of a group. 
D)  Elements become more likely to be more brittle at the bottom of a group.

Question 14

Which of the following will not have electrons in the 3rd orbital?

Accepted Answer

A)  K 
B)  Mg 
C)  Na+ 
D)  Ag+ 
A)  K 
B)  Mg 
C)  Na+ 
D)  Ag+

Question 15

Suppose an electron moved from the second shell to the third shell.

Accepted Answer

A)  The move required an input of energy. 
B)  The move gave off energy. 
C)  Electrons can move spontaneously from shell to shell. 
D)  Electrons can't move from shell to shell,but can move into the nucleus. 
A)  The move required an input of energy. 
B)  The move gave off energy. 
C)  Electrons can move spontaneously from shell to shell. 
D)  Electrons can't move from shell to shell,but can move into the nucleus.

Question 16

Which element has the largest atomic radii?

Accepted Answer

A)  I 
B)  F 
C)  Li 
D)  Cs 
A)  I 
B)  F 
C)  Li 
D)  Cs

Question 17

Which element is the first one in the group IVA(14)of the periodic table?

Accepted Answer

A)  C 
B)  Na 
C)  Sc 
D)  Ti 
A)  C 
B)  Na 
C)  Sc 
D)  Ti

Question 18

Which of the following elements has the electronic configuration shown here?
1s2 2s2 2p6 3s2 3p1

Accepted Answer

A)  F 
B)  Al 
C)  Mg 
D)  Ga 
A)  F 
B)  Al 
C)  Mg 
D)  Ga

Question 19

Which of the following is the correct valence electron configuration of phosphorus?

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
A) 
  
B) 
  
C) 
  
D)

Question 20

What is the symbol of the element that is in Period 4,and Group IIA(2)of the periodic table?

Accepted Answer

A)  Zn 
B)  Ca 
C)  C 
D)  Ti 
A)  Zn 
B)  Ca 
C)  C 
D)  Ti

Exam 3: Electronic Structure and the Periodic Law

The radius of a magnesium atom is larger than the radius of a sodium atom.

Which one of these elements is a gas at room temperature?

The fourth shell contains four subshells.

Which of the following correctly arranges the given subshells in order of increasing energy (lowest to highest)?

Which of the following is a representation of a p orbital?

What is the maximum number of electrons that can occupy the third shell?

In which of the following elements does the distinguishing electron occupy a d subshell?

Which of the following is the correct designation for an electron occupying the orbital shown below?

Which of the following elements is most likely to be a metalloid?

The d and f sublevels do not fill when expected because the energy levels for periods can overlap.

Metalloids can express the characteristics of both metals and nonmetals.Which of the elements below is more likely to have the characteristics of a metal than a nonmetal?

The magnesium atom loses an electron easier than a calcium atom.

Which of the following statements conforms to the trends within the Periodic Table of the Elements?

Which of the following will not have electrons in the 3rd orbital?

Suppose an electron moved from the second shell to the third shell.

Which element has the largest atomic radii?

Which element is the first one in the group IVA(14)of the periodic table?

Which of the following elements has the electronic configuration shown here? 1s2 2s2 2p6 3s2 3p1

Which of the following is the correct valence electron configuration of phosphorus?

What is the symbol of the element that is in Period 4,and Group IIA(2)of the periodic table?

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Which of the following elements has the electronic configuration shown here? 1s²2s²2p⁶3s²3p¹