Question 1

What does the pudding represent in the plum pudding model of the atom?

Accepted Answer

A) homogeneous negative charge 
B) homogeneous positive charge 
C) heterogeneous negative charge 
D) heterogeneous positive charge 
E) none of the above 
A) homogeneous negative charge 
B) homogeneous positive charge 
C) heterogeneous negative charge 
D) heterogeneous positive charge 
E) none of the above

Question 2

What is the maximum number of electrons that can occupy the 3rd principal energy level?

Accepted Answer

A) 1 
B) 2 
C) 4 
D) 8 
E) none of the above 
A) 1 
B) 2 
C) 4 
D) 8 
E) none of the above

Question 3

Which of the following subatomic particles is found outside the nucleus?

Accepted Answer

A) electron 
B) neutron 
C) proton 
D) all of the above 
E) none of the above 
A) electron 
B) neutron 
C) proton 
D) all of the above 
E) none of the above

Question 4

Using atomic notation,indicate the isotope having 11 p+,12 n0,and 11 e-.

Accepted Answer

A)    Na 
B)    Na 
C)    Na 
D)    Mg 
E)    Mg 
A)    Na 
B)    Na 
C)    Na 
D)    Mg 
E)    Mg

Question 5

Which of the following wavelengths of light has the lowest frequency?

Accepted Answer

A) 440 nm 
B) 470 nm 
C) 540 nm 
D) 650 nm 
E) All wavelengths have the same frequency. 
A) 440 nm 
B) 470 nm 
C) 540 nm 
D) 650 nm 
E) All wavelengths have the same frequency.

Question 6

What is the term for the distance a light wave travels to complete one cycle?

Accepted Answer

A) energy 
B) frequency 
C) velocity 
D) wavelength 
E) none of the above 
A) energy 
B) frequency 
C) velocity 
D) wavelength 
E) none of the above

Question 7

What is the maximum number of electrons that can occupy an s energy sublevel?

Accepted Answer

A) 2 
B) 6 
C) 10 
D) 14 
E) none of the above 
A) 2 
B) 6 
C) 10 
D) 14 
E) none of the above

Question 8

Using atomic notation,indicate the isotope having 30 p+,35 n0,and 30 e-.

Accepted Answer

A)    Zn 
B)    Zn 
C)    Zn 
D)    Br 
E)    Br 
A)    Zn 
B)    Zn 
C)    Zn 
D)    Br 
E)    Br

Question 9

What is the term for the value which indicates the number of protons for an atom of a given element?

Accepted Answer

A) atomic notation 
B) atomic number 
C) atomic mass 
D) mass number 
E) none of the above 
A) atomic notation 
B) atomic number 
C) atomic mass 
D) mass number 
E) none of the above

Question 10

Which of the following energy-level changes for an electron is most energetic?

Accepted Answer

A) 3 → 1 
B) 4 → 1 
C) 5 → 1 
D) 6 → 1 
E) All changes have the same energy. 
A) 3 → 1 
B) 4 → 1 
C) 5 → 1 
D) 6 → 1 
E) All changes have the same energy.

Question 11

What is the term for the shorthand description of the arrangement of electrons by sublevels according to increasing energy?

Accepted Answer

A) atomic notation 
B) atomic number 
C) continuous spectrum 
D) electron configuration 
E) none of the above 
A) atomic notation 
B) atomic number 
C) continuous spectrum 
D) electron configuration 
E) none of the above

Question 12

Which of the following energy level changes in a hydrogen atom produces a visible spectral line?

Accepted Answer

A) 3 → 1 
B) 4 → 2 
C) 5 → 3 
D) all of the above 
E) none of the above 
A) 3 → 1 
B) 4 → 2 
C) 5 → 3 
D) all of the above 
E) none of the above

Question 13

What is the term for the spatial region about the nucleus of an atom where there is a high probability of finding an electron with a given energy?

Accepted Answer

A) electron shell 
B) electron subshell 
C) orbital 
D) quantum level 
E) none of the above 
A) electron shell 
B) electron subshell 
C) orbital 
D) quantum level 
E) none of the above

Question 14

Which of the following represents the quantum nature of electricity?

Accepted Answer

A) atom 
B) electron 
C) ion 
D) photon 
E) proton 
A) atom 
B) electron 
C) ion 
D) photon 
E) proton

Question 15

What is the negatively charged subatomic particle having a negligible mass?

Accepted Answer

A) electron 
B) neutron 
C) proton 
D) quark 
E) none of the above 
A) electron 
B) neutron 
C) proton 
D) quark 
E) none of the above

Question 16

How many energy sublevels exist within the 4th principal energy level?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) none of the above 
A) 1 
B) 2 
C) 3 
D) 4 
E) none of the above

Question 17

If an atom is enlarged to the size of a marble,and a marble is enlarged similarly,what would be the approximate size of the marble?

Accepted Answer

A) a marble,~1 cm 
B) a baseball,~10 cm 
C) a beach ball,~100 cm 
D) Dallas Cowboys Stadium,~10,000 cm 
E) the Moon,~100,000,000 cm 
A) a marble,~1 cm 
B) a baseball,~10 cm 
C) a beach ball,~100 cm 
D) Dallas Cowboys Stadium,~10,000 cm 
E) the Moon,~100,000,000 cm

Question 18

How many orbitals are in the 4s subshell?

Accepted Answer

A) 1 
B) 3 
C) 4 
D) 5 
E) none of the above 
A) 1 
B) 3 
C) 4 
D) 5 
E) none of the above

Question 19

Which of the following physiological properties is different for ordinary water and heavy water?

Accepted Answer

A) odor 
B) taste 
C) toxicity 
D) all of the above 
E) none of the above 
A) odor 
B) taste 
C) toxicity 
D) all of the above 
E) none of the above

Question 20

What is the maximum number of electrons that can occupy an f energy sublevel?

Accepted Answer

A) 2 
B) 6 
C) 10 
D) 14 
E) none of the above 
A) 2 
B) 6 
C) 10 
D) 14 
E) none of the above

Exam 4: Models of the Atom

What does the pudding represent in the plum pudding model of the atom?

What is the maximum number of electrons that can occupy the 3rd principal energy level?

Which of the following subatomic particles is found outside the nucleus?

Using atomic notation,indicate the isotope having 11 p+,12 n0,and 11 e-.

Which of the following wavelengths of light has the lowest frequency?

What is the term for the distance a light wave travels to complete one cycle?

What is the maximum number of electrons that can occupy an s energy sublevel?

Using atomic notation,indicate the isotope having 30 p+,35 n0,and 30 e-.

What is the term for the value which indicates the number of protons for an atom of a given element?

Which of the following energy-level changes for an electron is most energetic?

What is the term for the shorthand description of the arrangement of electrons by sublevels according to increasing energy?

Which of the following energy level changes in a hydrogen atom produces a visible spectral line?

What is the term for the spatial region about the nucleus of an atom where there is a high probability of finding an electron with a given energy?

Which of the following represents the quantum nature of electricity?

What is the negatively charged subatomic particle having a negligible mass?

How many energy sublevels exist within the 4th principal energy level?

If an atom is enlarged to the size of a marble,and a marble is enlarged similarly,what would be the approximate size of the marble?

How many orbitals are in the 4s subshell?

Which of the following physiological properties is different for ordinary water and heavy water?

What is the maximum number of electrons that can occupy an f energy sublevel?

Introduction to Chemistry

The Metric System

Matter and Energy

The Periodic Table

Language of Chemistry

Chemical Reactions

The Mole Concept

Chemical Equation Calculations

Gases

Liquids and Solids

Chemical Bonding

Solutions

Acids and Bases

Advanced Problem Solving

Chemical Equilibrium

Oxidation and Reduction

Nuclear Chemistry

Organic Chemistry

Biochemistry

Interlude: Prerequisite Science Skills

Filters