Question 1

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

Accepted Answer

negative,positive

Question 2

Which element is an inner transition metal?

Accepted Answer

A) Ba 
B) K 
C) La 
D) Zr 
A) Ba 
B) K 
C) La 
D) Zr C

Question 3

Elements in the same group generally have

Accepted Answer

A) different properties. 
B) similar properties. 
C) similar number of neutrons. 
D) similar chemical symbols. 
A) different properties. 
B) similar properties. 
C) similar number of neutrons. 
D) similar chemical symbols. B

Question 4

The positive charges in an atom are spread uniformly throughout the entire atom.

Accepted Answer

A) True 
 B)False

Question 5

Isotopes are atoms of the same element with

Accepted Answer

A) different numbers of neutrons. 
B) different numbers of electrons. 
C) different numbers of protons. 
D) different atomic numbers. 
A) different numbers of neutrons. 
B) different numbers of electrons. 
C) different numbers of protons. 
D) different atomic numbers.

Question 6

Which contains 7 neutrons?

Accepted Answer

A)   
B)   
C)   
D)   
A)   
B)   
C)   
D)

Question 7

Alpha particles are heavier than beta particles.

Accepted Answer

A) True 
 B)False

Question 8

Which type of radioactivity is an electron?

Accepted Answer

A) alpha, α 
B) beta, β 
C) gamma, γ 
D) lambda, λ 
A) alpha, α 
B) beta, β 
C) gamma, γ 
D) lambda, λ

Question 9

In which group do all atoms have two 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 10

Some positively charged alpha particles were deflected rather than passing straight through thin metal foil.To explain this,Rutherford postulated that the nucleus of the atom must be positive.

Accepted Answer

A) True 
 B)False

Question 11

Give the main shell configuration for chlorine.

Accepted Answer

A) 17 
B) 18 
C) 2, 8, 7 
D) 35 
A) 17 
B) 18 
C) 2, 8, 7 
D) 35

Question 12

The charge on the nucleus of a sodium atom is

Accepted Answer

A) 1+. 
B) 23+. 
C) 11+. 
D) 0) 
A) 1+. 
B) 23+. 
C) 11+. 
D) 0)

Question 13

Which element is a metal?

Accepted Answer

A) Mg 
B) S 
C) P 
D) Br 
A) Mg 
B) S 
C) P 
D) Br

Question 14

Electrolysis is

Accepted Answer

A) the production of electrical currents from a battery. 
B) the chemical reactions caused by electricity. 
C) the production of cathode rays in vacuum tubes using electricity. 
D) the conversion of elements into new elements by the use of electricity. 
A) the production of electrical currents from a battery. 
B) the chemical reactions caused by electricity. 
C) the production of cathode rays in vacuum tubes using electricity. 
D) the conversion of elements into new elements by the use of electricity.

Question 15

The maximum number of electrons that may reside in the n = 2 energy level is

Accepted Answer

A) 6. 
B) 8. 
C) 2. 
D) 16. 
A) 6. 
B) 8. 
C) 2. 
D) 16.

Question 16

Deuterium is the common name for

Accepted Answer

A) hydrogen-0. 
B) hydrogen-1. 
C) hydrogen-2. 
D) hydrogen-3. 
A) hydrogen-0. 
B) hydrogen-1. 
C) hydrogen-2. 
D) hydrogen-3.

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

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 19

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 20

The application of electricity to chemical systems provided much of the experimental evidence for the existence of subatomic particles.With respect to the use of electricity in studying matter,which one of the following scientists would NOT be grouped with the others?

Accepted Answer

A) Humphry Davy 
B) Michael Faraday 
C) J)J.Thomson 
D) Ernest Rutherford 
A) Humphry Davy 
B) Michael Faraday 
C) J)J.Thomson 
D) Ernest Rutherford

Exam 3: Atomic Structure

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

Which element is an inner transition metal?

Elements in the same group generally have

The positive charges in an atom are spread uniformly throughout the entire atom.

Isotopes are atoms of the same element with

Which contains 7 neutrons?

Alpha particles are heavier than beta particles.

Which type of radioactivity is an electron?

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

Some positively charged alpha particles were deflected rather than passing straight through thin metal foil.To explain this,Rutherford postulated that the nucleus of the atom must be positive.

Give the main shell configuration for chlorine.

The charge on the nucleus of a sodium atom is

Which element is a metal?

Electrolysis is

The maximum number of electrons that may reside in the n = 2 energy level is

Deuterium is the common name for

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

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

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

The application of electricity to chemical systems provided much of the experimental evidence for the existence of subatomic particles.With respect to the use of electricity in studying matter,which one of the following scientists would NOT be grouped with the others?

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

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