Question 1

Describe how the three isotopes of hydrogen differ.

Accepted Answer

The three isotopes of hydrogen are proti

Question 2

Which of the halogens is a liquid at room temperature?

Accepted Answer

A) fluorine 
B) chlorine 
C) bromine 
D) iodine 
A) fluorine 
B) chlorine 
C) bromine 
D) iodine

Question 3

Identify the particle that is symbolized by He²⁺.

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 4

The electron configuration for oxygen is 1s² 2s² 3s².

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is NOT a characteristic of metals?

Accepted Answer

A) Metals have a luster. 
B) Metals are gases at room temperature. 
C) Metals are good conductors of heat and electricity. 
D) Metals are solids at room temperature. 
A) Metals have a luster. 
B) Metals are gases at room temperature. 
C) Metals are good conductors of heat and electricity. 
D) Metals are solids at room temperature.

Question 6

Rutherford concluded that the nucleus of an atom is positively charged because

Accepted Answer

A) some negatively charged alpha particles were deflected by the nucleus in the gold foil experiment. 
B) some positively charged alpha particles were deflected by the nucleus in the gold foil experiment. 
C) some negatively charged beta particles were deflected by the nucleus in the gold foil experiment. 
D) some positively charged beta particles were deflected by the nucleus in the gold foil experiment. 
A) some negatively charged alpha particles were deflected by the nucleus in the gold foil experiment. 
B) some positively charged alpha particles were deflected by the nucleus in the gold foil experiment. 
C) some negatively charged beta particles were deflected by the nucleus in the gold foil experiment. 
D) some positively charged beta particles were deflected by the nucleus in the gold foil experiment.

Question 7

Which type of radioactivity is NOT deflected by a magnetic field?

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 8

Anions migrate toward the cathode.

Accepted Answer

A) True 
 B)False

Question 9

A vertical column in the modern periodic table is called a

Accepted Answer

A) period. 
B) group. 
C) branch. 
D) valence. 
A) period. 
B) group. 
C) branch. 
D) valence.

Question 10

Which type of radioactivity has a negative 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 11

Carbon and nitrogen are isotopes of each other.

Accepted Answer

A) True 
 B)False

Question 12

Relative to the mass of the nucleus of an atom,the mass of the electron is

Accepted Answer

A) always much smaller. 
B) always much larger. 
C) about the same. 
D) dependent upon the element. 
A) always much smaller. 
B) always much larger. 
C) about the same. 
D) dependent upon the element.

Question 13

Carbon has ________ valence electrons.

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Question 14

Define electrolysis and the purpose of the anode and the cathode.

Accepted Answer

Electrolysis is a chemical process that

Question 15

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 16

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 17

When combined with Thomson's determination of the mass to charge ratio of the electron,Millikan's experimental work allowed for the determination of the

Accepted Answer

A) charge on the electron. 
B) mass of the electron. 
C) speed of the electron. 
D) all of the above 
A) charge on the electron. 
B) mass of the electron. 
C) speed of the electron. 
D) all of the above

Question 18

Which subatomic particles have approximately the same mass?

Accepted Answer

A) electrons and neutrons 
B) electrons and protons 
C) neutrons and protons 
D) electrons, neutrons and protons 
A) electrons and neutrons 
B) electrons and protons 
C) neutrons and protons 
D) electrons, neutrons and protons

Question 19

In which group do all atoms have eight valence electrons in the ground state?

Accepted Answer

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

Question 20

An anode 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.

Exam 3: Atomic Structure

Describe how the three isotopes of hydrogen differ.

Which of the halogens is a liquid at room temperature?

Identify the particle that is symbolized by He²⁺.

The electron configuration for oxygen is 1s² 2s² 3s².

Which of the following is NOT a characteristic of metals?

Rutherford concluded that the nucleus of an atom is positively charged because

Which type of radioactivity is NOT deflected by a magnetic field?

Anions migrate toward the cathode.

A vertical column in the modern periodic table is called a

Which type of radioactivity has a negative charge?

Carbon and nitrogen are isotopes of each other.

Relative to the mass of the nucleus of an atom,the mass of the electron is

Carbon has ________ valence electrons.

Define electrolysis and the purpose of the anode and the cathode.

Which type of radioactivity has a positive charge?

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

When combined with Thomson's determination of the mass to charge ratio of the electron,Millikan's experimental work allowed for the determination of the

Which subatomic particles have approximately the same mass?

In which group do all atoms have eight valence electrons in the ground state?

An anode is a

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