Question 1

In the notation "2p4", the 4 refers to the

Accepted Answer

A) energy level of the electron. 
B) number of p orbitals in the 2nd energy level. 
C) number of electrons in the 2p sublevel. 
D) number of electrons in a single 2p orbital. 
A) energy level of the electron. 
B) number of p orbitals in the 2nd energy level. 
C) number of electrons in the 2p sublevel. 
D) number of electrons in a single 2p orbital.

Question 2

Protons and neutrons have about the same mass.

Accepted Answer

A) True 
 B)False

Question 3

The word halogen comes from the Greek, meaning salt-former.

Accepted Answer

A) True 
 B)False

Question 4

Robert Millikan discovered that

Accepted Answer

A) the charge to mass ratio of electrons was constant. 
B) the electron carries the smallest unit of electrical charge. 
C) the oil droplets all carried the same amount of charge. 
D) the electrons contained most of the mass of an atom. 
A) the charge to mass ratio of electrons was constant. 
B) the electron carries the smallest unit of electrical charge. 
C) the oil droplets all carried the same amount of charge. 
D) the electrons contained most of the mass of an atom.

Question 5

J.J.Thomson discovered that cathode rays were really a stream of electrons.

Accepted Answer

A) True 
 B)False

Question 6

An electron moves from one orbital to another only when it absorbs or emits energy.

Accepted Answer

A) True 
 B)False

Question 7

Rutherford concluded from his calculations that the volume of an atom

Accepted Answer

A) is filled with protons, neutrons, and electrons. 
B) is mostly protons, with electrons revolving around the outside. 
C) is filled with electrons. 
D) is mostly empty space. 
A) is filled with protons, neutrons, and electrons. 
B) is mostly protons, with electrons revolving around the outside. 
C) is filled with electrons. 
D) is mostly empty space.

Question 8

Elements in the same row of the periodic table exhibit similar chemical properties.

Accepted Answer

A) True 
 B)False

Question 9

The maximum number of electrons that can have the principal quantum number 2 in a given atom is

Accepted Answer

A) 2. 
B) 4. 
C) 8. 
D) ...it varies from atom to atom. 
A) 2. 
B) 4. 
C) 8. 
D) ...it varies from atom to atom.

Question 10

The energy of a photon of light emitted by an electron equals the

Accepted Answer

A) energy of the level it currently occupies. 
B) energy of the level it just left. 
C) energy of the ground state of the atom. 
D) difference in energy between two levels. 
A) energy of the level it currently occupies. 
B) energy of the level it just left. 
C) energy of the ground state of the atom. 
D) difference in energy between two levels.

In the notation "2p⁴", the 4 refers to the

Protons and neutrons have about the same mass.

The word halogen comes from the Greek, meaning salt-former.

Robert Millikan discovered that

J.J.Thomson discovered that cathode rays were really a stream of electrons.

An electron moves from one orbital to another only when it absorbs or emits energy.

Rutherford concluded from his calculations that the volume of an atom

Elements in the same row of the periodic table exhibit similar chemical properties.

The maximum number of electrons that can have the principal quantum number 2 in a given atom is

The energy of a photon of light emitted by an electron equals the

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Exam 8: Atoms and Periodic Properties

In the notation "2p4", the 4 refers to the

Protons and neutrons have about the same mass.

The word halogen comes from the Greek, meaning salt-former.

Robert Millikan discovered that

J.J.Thomson discovered that cathode rays were really a stream of electrons.

An electron moves from one orbital to another only when it absorbs or emits energy.

Rutherford concluded from his calculations that the volume of an atom

Elements in the same row of the periodic table exhibit similar chemical properties.

The maximum number of electrons that can have the principal quantum number 2 in a given atom is

The energy of a photon of light emitted by an electron equals the

What Is Science

Motion

Energy

Heat and Temperature

Wave Motions and Sound

Electricity

Light

Chemical Bonds

Chemical Reactions

Water and Solutions

Organic Chemistry

Nuclear Reactions

The Universe

The Solar System

Earth in Space

Rocks and Minerals

Plate Tectonics

Building Earths Surface

Shaping Earths Surface

Geologic Time

The Atmosphere of Earth

Weather and Climate

Earths Waters

Filters

In the notation "2p⁴", the 4 refers to the