Question 1

Which form of electromagnetic radiation has the highest frequency?

Accepted Answer

A) Radio Waves 
B) Microwaves 
C) X-rays 
D) Gamma Rays 
E) Infrared Radiation 
A) Radio Waves 
B) Microwaves 
C) X-rays 
D) Gamma Rays 
E) Infrared Radiation

Question 2

The energy of each Bohr orbit increases with increasing value of "n," but levels become more closely spaced as "n" increases.

Accepted Answer

A) True 
 B)False

Question 3

The correct electron configuration for magnesium is: 1s22s22p63s3.

Accepted Answer

A) True 
 B)False

Question 4

The most energetic photons are gamma rays.

Accepted Answer

A) True 
 B)False

Question 5

The subshell letter:

Accepted Answer

A) specifies the 3-D shape of the orbital. 
B) specifies the principal quantum number of the orbital. 
C) specifies the maximum number of electrons. 
D) specifies the principal shell of the orbital. 
E) none of the above 
A) specifies the 3-D shape of the orbital. 
B) specifies the principal quantum number of the orbital. 
C) specifies the maximum number of electrons. 
D) specifies the principal shell of the orbital. 
E) none of the above

Question 6

Which color of the visible spectrum has photons with the most energy?

Accepted Answer

A) red 
B) orange 
C) green 
D) violet 
E) yellow 
A) red 
B) orange 
C) green 
D) violet 
E) yellow

Question 7

Which form of electromagnetic radiation has the lowest frequency?

Accepted Answer

A) Radio Waves 
B) Microwaves 
C) X-rays 
D) Gamma Rays 
E) Infrared Radiation 
A) Radio Waves 
B) Microwaves 
C) X-rays 
D) Gamma Rays 
E) Infrared Radiation

Question 8

The subshells s,p,d,and f all have the same energy as long as they are in the same principal shell.

Accepted Answer

A) True 
 B)False

Question 9

Consider the electron configuration of the ion to determine which ion shown below has an incorrect ionic charge?

Accepted Answer

A) Al3- 
B) Se2- 
C) Rb+ 
D) Ba2+ 
E) none of the above 
A) Al3- 
B) Se2- 
C) Rb+ 
D) Ba2+ 
E) none of the above

Question 10

Bromine has 28 core electrons.

Accepted Answer

A) True 
 B)False

Question 11

When sunlight is passed through a prism,what is observed?

Accepted Answer

A) continuous spectrum 
B) nothing 
C) bright spots and lines 
D) white light 
E) none of the above 
A) continuous spectrum 
B) nothing 
C) bright spots and lines 
D) white light 
E) none of the above

Question 12

The size of an atom generally increases:

Accepted Answer

A) down a group and from right to left across a period. 
B) up a group and from left to right across a period. 
C) down a group and from left to right across a period. 
D) up a group and from right to left across a period. 
E) up a group and diagonally across the Periodic Table. 
A) down a group and from right to left across a period. 
B) up a group and from left to right across a period. 
C) down a group and from left to right across a period. 
D) up a group and from right to left across a period. 
E) up a group and diagonally across the Periodic Table.

Question 13

When an atom absorbs energy,it often re-emits that energy as heat.

Accepted Answer

A) True 
 B)False

Question 14

A particle of light is called a packet.

Accepted Answer

A) True 
 B)False

Question 15

The shorter the wavelength of light,the more energy it has.

Accepted Answer

A) True 
 B)False

Question 16

A photon of red light contains the same amount of energy as a photon of blue light.

Accepted Answer

A) True 
 B)False

Question 17

How many valence electrons are in a chlorine atom?

Accepted Answer

A) 1 
B) 17 
C) 10 
D) 7 
E) none of the above 
A) 1 
B) 17 
C) 10 
D) 7 
E) none of the above

Question 18

Which of the following elements has the lowest ionization energy?

Accepted Answer

A) Rb 
B) Na 
C) C 
D) F 
E) He 
A) Rb 
B) Na 
C) C 
D) F 
E) He

Question 19

Chlorine and bromine have very similar chemical properties.This is best explained by the fact that both elements:

Accepted Answer

A) are gases. 
B) are in period 3 of the Periodic Table. 
C) have the same number of valence electrons. 
D) have equal number of protons and electrons. 
E) none of the above 
A) are gases. 
B) are in period 3 of the Periodic Table. 
C) have the same number of valence electrons. 
D) have equal number of protons and electrons. 
E) none of the above

Question 20

A red shirt appears red to our eyes because the shirt absorbs the red wavelengths of visible light.

Accepted Answer

A) True 
 B)False

Which form of electromagnetic radiation has the highest frequency?

The energy of each Bohr orbit increases with increasing value of "n," but levels become more closely spaced as "n" increases.

The correct electron configuration for magnesium is: 1s²2s²2p⁶3s³.

The most energetic photons are gamma rays.

The subshell letter:

Which color of the visible spectrum has photons with the most energy?

Which form of electromagnetic radiation has the lowest frequency?

The subshells s,p,d,and f all have the same energy as long as they are in the same principal shell.

Consider the electron configuration of the ion to determine which ion shown below has an incorrect ionic charge?

Bromine has 28 core electrons.

When sunlight is passed through a prism,what is observed?

The size of an atom generally increases:

When an atom absorbs energy,it often re-emits that energy as heat.

A particle of light is called a packet.

The shorter the wavelength of light,the more energy it has.

A photon of red light contains the same amount of energy as a photon of blue light.

How many valence electrons are in a chlorine atom?

Which of the following elements has the lowest ionization energy?

Chlorine and bromine have very similar chemical properties.This is best explained by the fact that both elements:

A red shirt appears red to our eyes because the shirt absorbs the red wavelengths of visible light.

The Chemical World

Measurement and Problem Solving

Matter and Energy

Atoms and Elements

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Chemical Bonding

Gases

Liquids, solids, and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

Exam 9: Electrons in Atoms and the Periodic Table

Which form of electromagnetic radiation has the highest frequency?

The energy of each Bohr orbit increases with increasing value of "n," but levels become more closely spaced as "n" increases.

The correct electron configuration for magnesium is: 1s22s22p63s3.

The most energetic photons are gamma rays.

The subshell letter:

Which color of the visible spectrum has photons with the most energy?

Which form of electromagnetic radiation has the lowest frequency?

The subshells s,p,d,and f all have the same energy as long as they are in the same principal shell.

Consider the electron configuration of the ion to determine which ion shown below has an incorrect ionic charge?

Bromine has 28 core electrons.

When sunlight is passed through a prism,what is observed?

The size of an atom generally increases:

When an atom absorbs energy,it often re-emits that energy as heat.

A particle of light is called a packet.

The shorter the wavelength of light,the more energy it has.

A photon of red light contains the same amount of energy as a photon of blue light.

How many valence electrons are in a chlorine atom?

Which of the following elements has the lowest ionization energy?

Chlorine and bromine have very similar chemical properties.This is best explained by the fact that both elements:

A red shirt appears red to our eyes because the shirt absorbs the red wavelengths of visible light.

The Chemical World

Measurement and Problem Solving

Matter and Energy

Atoms and Elements

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Chemical Bonding

Gases

Liquids, solids, and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

The correct electron configuration for magnesium is: 1s²2s²2p⁶3s³.