Question 1

What is the shell number for the outer shell electrons in bromine, Br?

Accepted Answer

A) 4 
B) 3 
C) 5 
D) 6 
A) 4 
B) 3 
C) 5 
D) 6

Question 2

Which element has the distinguishing electron, 5 p 4?

Accepted Answer

A) Br 
B) Mn 
C) Te 
D) Kr 
A) Br 
B) Mn 
C) Te 
D) Kr

Question 3

Which of the following elements is a nonmetal?

Accepted Answer

A) Ni 
B) Cu 
C) Ba 
D) I 
A) Ni 
B) Cu 
C) Ba 
D) I

Question 4

The maximum number of electrons that can occupy a 4 p orbital is _____ .

Accepted Answer

A) 2 
B) 4 
C) 6 
D) 10 
A) 2 
B) 4 
C) 6 
D) 10

Question 5

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 6

Which of the following elements should have properties similar to those of nitrogen (element 7)?

Accepted Answer

A) C 
B) Si 
C) P 
D) O 
A) C 
B) Si 
C) P 
D) O

Question 7

An anion is smaller than the atom from which it is produced.

Accepted Answer

A) True 
 B)False

Question 8

What rule, principle or law is used to explain that an electrons will not share the same orbital if there is an empty orbital of the same energy available?

Accepted Answer

A) Aufbau principle 
B) Hund's rule 
C) Pauli principle 
D) Avogadro's law 
A) Aufbau principle 
B) Hund's rule 
C) Pauli principle 
D) Avogadro's law

Question 9

The radius of a K atom is ____ a Ca atom.

Accepted Answer

A) smaller than 
B) larger than 
C) equal to 
D) inverted from 
A) smaller than 
B) larger than 
C) equal to 
D) inverted from

Question 10

Sodium, Na, and potassium, K, are in the same period.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following elements is classified as a representative metal?

Accepted Answer

A) element 30 
B) element 26 
C) element 38 
D) element 63 
A) element 30 
B) element 26 
C) element 38 
D) element 63

Question 12

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 13

What is the basis for placing groups of elements into a family on the periodic table?

Accepted Answer

A) similar atomic mass numbers 
B) identical chemical and physical properties 
C) similar colors, shapes and uses 
D) similar valence electron configurations 
A) similar atomic mass numbers 
B) identical chemical and physical properties 
C) similar colors, shapes and uses 
D) similar valence electron configurations

Question 14

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 15

Which of the following statements applies to p subshells?

Accepted Answer

A) The p subshell can contain a maximum of 14 electrons. 
B) The p subshell is subdivided into three perpendicular shapes. 
C) The p subshell fills with 2 electrons in px, then 2 in py then 2 in pz. 
D) All of these statements are correct with reference to p subshells. 
A) The p subshell can contain a maximum of 14 electrons. 
B) The p subshell is subdivided into three perpendicular shapes. 
C) The p subshell fills with 2 electrons in px, then 2 in py then 2 in pz. 
D) All of these statements are correct with reference to p subshells.

Question 16

​ How does Schrödinger's quantum mechanical model contradict Bohr's model of hydrogen atom?

Accepted Answer

Bohr's model of hydrogen atom states tha

Question 17

Silver, Ag, belongs to what period of the periodic table?

Accepted Answer

A) 1 
B) 2 
C) 5 
D) 12 
A) 1 
B) 2 
C) 5 
D) 12

Question 18

Which of the following is considered a transition element?

Accepted Answer

A) tungsten 
B) holmium 
C) radon 
D) cesium 
A) tungsten 
B) holmium 
C) radon 
D) cesium

Question 19

The fourth shell contains four subshells.

Accepted Answer

A) True 
 B)False

Question 20

The electron configuration for each shell starts with an s subshell.

Accepted Answer

A) True 
 B)False

Exam 3: Electronic Structure and the Periodic Law

What is the shell number for the outer shell electrons in bromine, Br?

Which element has the distinguishing electron, 5 p 4?

Which of the following elements is a nonmetal?

The maximum number of electrons that can occupy a 4 p orbital is _____ .

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

Which of the following elements should have properties similar to those of nitrogen (element 7)?

An anion is smaller than the atom from which it is produced.

What rule, principle or law is used to explain that an electrons will not share the same orbital if there is an empty orbital of the same energy available?

The radius of a K atom is ____ a Ca atom.

Sodium, Na, and potassium, K, are in the same period.

Which of the following elements is classified as a representative metal?

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

What is the basis for placing groups of elements into a family on the periodic table?

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

Which of the following statements applies to p subshells?

​ How does Schrödinger's quantum mechanical model contradict Bohr's model of hydrogen atom?

Silver, Ag, belongs to what period of the periodic table?

Which of the following is considered a transition element?

The fourth shell contains four subshells.

The electron configuration for each shell starts with an s subshell.

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Which element has the distinguishing electron, 5 p ⁴?

How does Schrödinger's quantum mechanical model contradict Bohr's model of hydrogen atom?