Question 1

The existence of positively charged particles in gas discharge tubes was first experimentally verified by

Accepted Answer

A)  Lavoisier. 
B)  Dalton. 
C)  Faraday. 
D)  Goldstein. 
A)  Lavoisier. 
B)  Dalton. 
C)  Faraday. 
D)  Goldstein.

Question 2

Which of the following elements will react most vigorously with chlorine?

Accepted Answer

A)  lithium 
B)  potassium 
C)  rubidium 
D)  sodium 
A)  lithium 
B)  potassium 
C)  rubidium 
D)  sodium

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

Scientists studying cathode rays determined that the rays must be negatively charged because the beam moved from the ________ electrode to the ________ electrode.

Accepted Answer

The answer of Scientists studying cathode rays determined that the...

Question 5

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 6

How many protons are there in a gold atom?

Accepted Answer

A)  16 
B)  38 
C)  47 
D)  79 
A)  16 
B)  38 
C)  47 
D)  79

Question 7

Some chemicals which are exposed to sunlight will continue to glow even when they are placed in a dark room. This phenomenon is known as

Accepted Answer

A)  alpha emission. 
B)  beta emission. 
C)  fluorescence. 
D)  X-rays. 
A)  alpha emission. 
B)  beta emission. 
C)  fluorescence. 
D)  X-rays.

Question 8

A cation is a

Accepted Answer

A)  negatively charged ion. 
B)  positively charged ion. 
C)  negative electrode. 
D)  positive electrode. 
A)  negatively charged ion. 
B)  positively charged ion. 
C)  negative electrode. 
D)  positive electrode.

Question 9

Group 2A elements are called

Accepted Answer

A)  alkali metals. 
B)  alkali earth metals. 
C)  halogens. 
D)  noble gases. 
A)  alkali metals. 
B)  alkali earth metals. 
C)  halogens. 
D)  noble gases.

Question 10

Which element is a very good conductor of electricity?

Accepted Answer

A)  oxygen 
B)  bromine 
C)  selenium 
D)  gold 
A)  oxygen 
B)  bromine 
C)  selenium 
D)  gold

Question 11

Explain the significance of the relatively few alpha particles that were deflected in Rutherford's experiments with thin metal films.

Accepted Answer

The significance of the relatively few a

Question 12

Describe how the three isotopes of hydrogen differ.

Accepted Answer

The three isotopes of hydrogen are proti

Question 13

Which element is an alkaline earth metal?

Accepted Answer

A)  Ba 
B)  F 
C)  Rb 
D)  Ar 
A)  Ba 
B)  F 
C)  Rb 
D)  Ar

Question 14

Which type of radioactivity has a positive charge?

Accepted Answer

A)  alpha, α 
B)  beta, β 
C)  gamma, γ 
D)  delta, δ 
A)  alpha, α 
B)  beta, β 
C)  gamma, γ 
D)  delta, δ

Question 15

Most of the mass of an atom is located in the nucleus of the atom.

Accepted Answer

A) True 
 B)False

Question 16

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 17

An anion is a

Accepted Answer

A)  negatively charged ion. 
B)  positively charged ion. 
C)  negative electrode. 
D)  positive electrode. 
A)  negatively charged ion. 
B)  positively charged ion. 
C)  negative electrode. 
D)  positive electrode.

Question 18

Millikan's "oil drop" apparatus allowed for the determination of which property of the electron?

Accepted Answer

A)  mass 
B)  charge 
C)  ratio of mass to charge 
D)  speed 
A)  mass 
B)  charge 
C)  ratio of mass to charge 
D)  speed

Question 19

An element with electronic structure 1s2 2s2 2p4 is in which group of the periodic table?

Accepted Answer

A)  II A 
B)  IV A 
C)  VI A 
D)  VIII A 
A)  II A 
B)  IV A 
C)  VI A 
D)  VIII A

Question 20

Which orbital will have the highest energy?

Accepted Answer

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

Exam 3: Atomic Structure

The existence of positively charged particles in gas discharge tubes was first experimentally verified by

Which of the following elements will react most vigorously with chlorine?

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

Scientists studying cathode rays determined that the rays must be negatively charged because the beam moved from the ________ electrode to the ________ electrode.

A stream of electrons in a magnetic field would

How many protons are there in a gold atom?

Some chemicals which are exposed to sunlight will continue to glow even when they are placed in a dark room. This phenomenon is known as

A cation is a

Group 2A elements are called

Which element is a very good conductor of electricity?

Explain the significance of the relatively few alpha particles that were deflected in Rutherford's experiments with thin metal films.

Describe how the three isotopes of hydrogen differ.

Which element is an alkaline earth metal?

Which type of radioactivity has a positive charge?

Most of the mass of an atom is located in the nucleus of the atom.

The lines in an atomic line emission spectrum are due to

An anion is a

Millikan's "oil drop" apparatus allowed for the determination of which property of the electron?

An element with electronic structure 1s2 2s2 2p4 is in which group of the periodic table?

Which orbital will have the highest energy?

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Scientists studying cathode rays determined that the rays must be negatively charged because the beam moved from the electrode to the electrode.

An element with electronic structure 1s² 2s² 2p⁴ is in which group of the periodic table?