Question 1

Beryllium has properties that are typical of the alkaline earth metals family.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following types of electromagnetic radiation is emitted from unstable elements?

Accepted Answer

A) gamma rays 
B) microwaves 
C) radio waves 
D) visible light 
A) gamma rays 
B) microwaves 
C) radio waves 
D) visible light

Question 3

A stream of electrons in a magnetic field would

Accepted Answer

A) be unchanged. 
B) be stopped. 
C) be deflected toward the positive electrode. 
D) be deflected toward the negative electrode. 
A) be unchanged. 
B) be stopped. 
C) be deflected toward the positive electrode. 
D) be deflected toward the negative electrode.

Question 4

Which person(s)won two Nobel prizes (one in physics; the other in chemistry)for work with radioactivity?

Accepted Answer

A) Antoine Henri Becquerel 
B) Marie Sklodowska Curie 
C) Pierre Curie 
D) Marie and Pierre Curie 
A) Antoine Henri Becquerel 
B) Marie Sklodowska Curie 
C) Pierre Curie 
D) Marie and Pierre Curie

Question 5

The element with the ground state electron configuration of 1s² 2s² 2p⁶ 3s² is

Accepted Answer

A) Mg. 
B) Ca. 
C) Mn. 
D) Ne. 
A) Mg. 
B) Ca. 
C) Mn. 
D) Ne.

Question 6

Much of what we know about subatomic particles comes from directly observing the interior of the atom.

Accepted Answer

A) True 
 B)False

Question 7

How many nucleons are there in the sulfur-35 isotope?

Accepted Answer

A) 16 
B) 35 
C) 19 
D) 51 
A) 16 
B) 35 
C) 19 
D) 51

Question 8

The lines in an atomic line emission spectrum are due to

Accepted Answer

A) nuclear transitions in atoms. 
B) movement of electrons from lower energy states to higher energy states in atoms. 
C) movement of electrons from higher energy states to lower energy states in atoms. 
D) the presence of isotopes. 
A) nuclear transitions in atoms. 
B) movement of electrons from lower energy states to higher energy states in atoms. 
C) movement of electrons from higher energy states to lower energy states in atoms. 
D) the presence of isotopes.

Question 9

A line spectrum is NOT

Accepted Answer

A) continuous. 
B) discrete. 
C) unique. 
D) an energy profile. 
A) continuous. 
B) discrete. 
C) unique. 
D) an energy profile.

Question 10

In the quantum mechanical view of the atom,electrons are confined to charge clouds called

Accepted Answer

A) clouds. 
B) orbitals. 
C) energy levels. 
D) ions. 
A) clouds. 
B) orbitals. 
C) energy levels. 
D) ions.

Beryllium has properties that are typical of the alkaline earth metals family.

Which of the following types of electromagnetic radiation is emitted from unstable elements?

A stream of electrons in a magnetic field would

Which person(s)won two Nobel prizes (one in physics; the other in chemistry)for work with radioactivity?

The element with the ground state electron configuration of 1s² 2s² 2p⁶ 3s² is

Much of what we know about subatomic particles comes from directly observing the interior of the atom.

How many nucleons are there in the sulfur-35 isotope?

The lines in an atomic line emission spectrum are due to

A line spectrum is NOT

In the quantum mechanical view of the atom,electrons are confined to charge clouds called

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Exam 3: Atomic Structure

Beryllium has properties that are typical of the alkaline earth metals family.

Which of the following types of electromagnetic radiation is emitted from unstable elements?

A stream of electrons in a magnetic field would

Which person(s)won two Nobel prizes (one in physics; the other in chemistry)for work with radioactivity?

The element with the ground state electron configuration of 1s² 2s² 2p⁶ 3s² is

Much of what we know about subatomic particles comes from directly observing the interior of the atom.

How many nucleons are there in the sulfur-35 isotope?

The lines in an atomic line emission spectrum are due to

A line spectrum is NOT

In the quantum mechanical view of the atom,electrons are confined to charge clouds called

Chemistry

Atoms

Chemical Bonds

Chemical Accounting

Gases, Liquids, Solids, and Intermolecular Forces

Acids and Bases

Oxidation and Reduction

Organic Chemistry

Polymers

Nuclear Chemistry

Chemistry of the Earth

Air

Water

Energy

Biochemistry

Food

Drugs

Fitness and Health

Chemistry Down on the Farm

Household Chemicals

Poisons

Filters