Question 1

How many electrons are unpaired in the orbitals of nitrogen?

Accepted Answer

A) 14 
B) 5 
C) 9 
D) 3 
E) none of the above 
A) 14 
B) 5 
C) 9 
D) 3 
E) none of the above D

Question 2

Photons of ultraviolet radiation contain more energy than do photons of violet visible light.

Accepted Answer

A) True 
 B)False  True

Question 3

The ionization energy of lithium is higher than that of fluorine.

Accepted Answer

A) True 
 B)False  False

Question 4

Blue light travels at a faster speed than red light.

Accepted Answer

A) True 
 B)False

Question 5

Transition metal elements always contain at least one "d" block electron.

Accepted Answer

A) True 
 B)False

Question 6

How many electrons are unpaired in the orbitals of carbon?

Accepted Answer

A) 12 
B) 6 
C) 4 
D) 2 
E) none of the above 
A) 12 
B) 6 
C) 4 
D) 2 
E) none of the above

Question 7

Which among the following statements is TRUE?

Accepted Answer

A) The wavelength of light is inversely related to its energy. 
B) As the energy increases,the frequency of radiation decreases. 
C) As the wavelength increases,the frequency also increases. 
D) Red light has a shorter wavelength than violet light. 
E) none of the above 
A) The wavelength of light is inversely related to its energy. 
B) As the energy increases,the frequency of radiation decreases. 
C) As the wavelength increases,the frequency also increases. 
D) Red light has a shorter wavelength than violet light. 
E) none of the above

Question 8

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 9

Which color of the visible spectrum has the shortest wavelength (400 nm)?

Accepted Answer

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

Question 10

Which of the following elements has the electron configuration of 3s23p4 in its outermost shell?

Accepted Answer

A) Al 
B) Si 
C) S 
D) Cl 
E) none of the above 
A) Al 
B) Si 
C) S 
D) Cl 
E) none of the above

Question 11

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 12

Which of the following atoms has the greatest metallic character?

Accepted Answer

A) Cs 
B) Be 
C) Cu 
D) Ti 
E) Au 
A) Cs 
B) Be 
C) Cu 
D) Ti 
E) Au

Question 13

Which form of electromagnetic radiation has the longest wavelength?

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 14

The element manganese (symbol = Mn)has five valence electrons.

Accepted Answer

A) True 
 B)False

Question 15

Light is a type of matter.

Accepted Answer

A) True 
 B)False

Question 16

The heat you feel when you place your hand near a hot object is ultraviolet radiation.

Accepted Answer

A) True 
 B)False

Question 17

Bohr showed that the emission spectrum of hydrogen was continuous with no interruption across the entire visible wavelength range.

Accepted Answer

A) True 
 B)False

Question 18

An emission spectrum results when light emitted by glowing gas is passed through a prism.

Accepted Answer

A) True 
 B)False

Question 19

What is the electron configuration for P?

Accepted Answer

A) [Ar]3s23p64s23d104p3 
B) [Ne]1s21p62s22p3 
C) [Ne]3s23p3 
D) [Ar]3s23p3 
E) none of the above 
A) [Ar]3s23p64s23d104p3 
B) [Ne]1s21p62s22p3 
C) [Ne]3s23p3 
D) [Ar]3s23p3 
E) none of the above

Question 20

Which element is represented by the electron configuration 1s22s22p2?

Accepted Answer

A) C 
B) He 
C) Be 
D) O 
E) none of the above 
A) C 
B) He 
C) Be 
D) O 
E) none of the above

How many electrons are unpaired in the orbitals of nitrogen?

Photons of ultraviolet radiation contain more energy than do photons of violet visible light.

The ionization energy of lithium is higher than that of fluorine.

Blue light travels at a faster speed than red light.

Transition metal elements always contain at least one "d" block electron.

How many electrons are unpaired in the orbitals of carbon?

Which among the following statements is TRUE?

The subshell letter:

Which color of the visible spectrum has the shortest wavelength (400 nm)?

Which of the following elements has the electron configuration of 3s²3p⁴ in its outermost shell?

How many valence electrons are in a chlorine atom?

Which of the following atoms has the greatest metallic character?

Which form of electromagnetic radiation has the longest wavelength?

The element manganese (symbol = Mn)has five valence electrons.

Light is a type of matter.

The heat you feel when you place your hand near a hot object is ultraviolet radiation.

Bohr showed that the emission spectrum of hydrogen was continuous with no interruption across the entire visible wavelength range.

An emission spectrum results when light emitted by glowing gas is passed through a prism.

What is the electron configuration for P?

Which element is represented by the electron configuration 1s²2s²2p²?

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Exam 9: Electrons in Atoms and the Periodic Table

How many electrons are unpaired in the orbitals of nitrogen?

Photons of ultraviolet radiation contain more energy than do photons of violet visible light.

The ionization energy of lithium is higher than that of fluorine.

Blue light travels at a faster speed than red light.

Transition metal elements always contain at least one "d" block electron.

How many electrons are unpaired in the orbitals of carbon?

Which among the following statements is TRUE?

The subshell letter:

Which color of the visible spectrum has the shortest wavelength (400 nm)?

Which of the following elements has the electron configuration of 3s23p4 in its outermost shell?

How many valence electrons are in a chlorine atom?

Which of the following atoms has the greatest metallic character?

Which form of electromagnetic radiation has the longest wavelength?

The element manganese (symbol = Mn)has five valence electrons.

Light is a type of matter.

The heat you feel when you place your hand near a hot object is ultraviolet radiation.

Bohr showed that the emission spectrum of hydrogen was continuous with no interruption across the entire visible wavelength range.

An emission spectrum results when light emitted by glowing gas is passed through a prism.

What is the electron configuration for P?

Which element is represented by the electron configuration 1s22s22p2?

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

Which of the following elements has the electron configuration of 3s²3p⁴ in its outermost shell?

Which element is represented by the electron configuration 1s²2s²2p²?