Question 1

The _____ of any wave is the distance between corresponding points on adjacent waves.

Accepted Answer

The answer of The _____ of any wave is the...

Question 2

The process of deciding which orbitals hold electrons in an atom requires that we "fill" orbitals starting with the lowest energy and proceeding to higher energy. This concept is referred to as the _____.

Accepted Answer

The answer of The process of deciding which orbitals hold...

Question 3

An excited electron cannot exist indefinitely and must eventually return to its ground state.

Accepted Answer

A) True 
 B)False

Question 4

In the context of quantum numbers, if n = 4, there are _____ orbitals to fill in that shell.

Accepted Answer

A) 4 
B) 8 
C) 10 
D) 16 
A) 4 
B) 8 
C) 10 
D) 16

Question 5

In quantum mechanics, an " l "  value of 2 corresponds to a letter designation of _____.

Accepted Answer

A) s 
B) p 
C) d 
D) f 
A) s 
B) p 
C) d 
D) f

Question 6

Because the speed of light remains constant for a given medium, frequency and wavelength are inversely proportional.

Accepted Answer

A) True 
 B)False

Question 7

The energy of an incoming photon must be greater than the binding energy of a metal's electron in order to have that electron ejected from the metal's surface .

Accepted Answer

A) True 
 B)False

Question 8

The size of orbitals tends to decrease for large nuclei as a result of _____.

Accepted Answer

A) electron crowding 
B) spinning 
C) uncoupling leptons 
D) large nuclear charge 
A) electron crowding 
B) spinning 
C) uncoupling leptons 
D) large nuclear charge

Question 9

The Pauli exclusion principle states that no two electrons in the same atom may have the same set of four quantum numbers.

Accepted Answer

A) True 
 B)False

Question 10

If photon "A" has twice the energy of photon "B" in a given medium, then "A" should have half the frequency of "B."

Accepted Answer

A) True 
 B)False

Question 11

If a 755 nm photon travels in vacuum, what is the frequency of this photon? Recall that the speed of light in vacuum is 2.998 × 10  8 m\ s .

Accepted Answer

A) 3.97 × 10  14 s  − 1  
B) 9.17 × 10  13 s  − 1  
C) 3.97 × 10  16 s  − 1  
D) 2.52 × 10  15 s  − 1  
A) 3.97 × 10  14 s  − 1  
B) 9.17 × 10  13 s  − 1  
C) 3.97 × 10  16 s  − 1  
D) 2.52 × 10  15 s  − 1

Question 12

Atomic absorption spectrometry (AAS)is based on the principle that atoms of a sample absorb light of particular frequencies that depend on the chemical identity of the atoms and reveal the elemental composition of the sample.

Accepted Answer

A) True 
 B)False

Question 13

What is the correct electron configuration of a bromide ion ?

Accepted Answer

A) 1s  2 2s  2 2p  6 3s  2 3p  6 3d  10 4s  2 4p  2  
B) 1s  2 2s  2 2p  6 3s  2 3p  6 3d  10 4s  2 4p  3  
C) 1s  2 2s  2 2p  6 3s  2 3p  6 3d  10 4s  2 4p  5  
D) 1s  2 2s  2 2p  6 3s  2 3p  6 3d  10 4s  2 4p  6  
A) 1s  2 2s  2 2p  6 3s  2 3p  6 3d  10 4s  2 4p  2  
B) 1s  2 2s  2 2p  6 3s  2 3p  6 3d  10 4s  2 4p  3  
C) 1s  2 2s  2 2p  6 3s  2 3p  6 3d  10 4s  2 4p  5  
D) 1s  2 2s  2 2p  6 3s  2 3p  6 3d  10 4s  2 4p  6

Question 14

Among the following elements, which displays the greatest electron affinity?

Accepted Answer

A) Se 
B) Ca 
C) C 
D) F 
A) Se 
B) Ca 
C) C 
D) F

Question 15

A photon with a frequency of 2.1 × 10  4 s  − 1 has an energy of  _____.

Accepted Answer

A) 6.2 × 1012J 
B) 5.1 × 1011J 
C) 1.4 × 10  − 29 J 
D) 1.9 × 10  − 19 J 
A) 6.2 × 1012J 
B) 5.1 × 1011J 
C) 1.4 × 10  − 29 J 
D) 1.9 × 10  − 19 J

Question 16

The _____ describes the phenomenon of ejection of an electron from the surface of an easily ionizable metal when a sufficiently energetic electron strikes that metal .

Accepted Answer

photoelect

Question 17

In the wave model, the amplitude of the wave determines the brightness of the light.

Accepted Answer

A) True 
 B)False

Question 18

The particular pattern of wavelengths absorbed and emitted by any element is called its  _____.

Accepted Answer

A) parcel number 
B) atomic spectrum 
C) nuclear potential 
D) period 
A) parcel number 
B) atomic spectrum 
C) nuclear potential 
D) period

Question 19

X-ray fluorescence is an analytical technique that uses high energy x-rays to eject protons from the nucleus of an atom.

Accepted Answer

A) True 
 B)False

Question 20

The magnitude of the wavelength of an electromagnetic wave is twice the magnitude of the wave's frequency .

Accepted Answer

A) True 
 B)False

The _____ of any wave is the distance between corresponding points on adjacent waves.

The process of deciding which orbitals hold electrons in an atom requires that we "fill" orbitals starting with the lowest energy and proceeding to higher energy. This concept is referred to as the _____.

An excited electron cannot exist indefinitely and must eventually return to its ground state.

In the context of quantum numbers, if n = 4, there are _____ orbitals to fill in that shell.

In quantum mechanics, an " l " value of 2 corresponds to a letter designation of _____.

Because the speed of light remains constant for a given medium, frequency and wavelength are inversely proportional.

The energy of an incoming photon must be greater than the binding energy of a metal's electron in order to have that electron ejected from the metal's surface .

The size of orbitals tends to decrease for large nuclei as a result of _____.

The Pauli exclusion principle states that no two electrons in the same atom may have the same set of four quantum numbers.

If photon "A" has twice the energy of photon "B" in a given medium, then "A" should have half the frequency of "B."

If a 755 nm photon travels in vacuum, what is the frequency of this photon? Recall that the speed of light in vacuum is 2.998 × 10 ⁸m\ s .

Atomic absorption spectrometry (AAS)is based on the principle that atoms of a sample absorb light of particular frequencies that depend on the chemical identity of the atoms and reveal the elemental composition of the sample.

What is the correct electron configuration of a bromide ion ?

Among the following elements, which displays the greatest electron affinity?

A photon with a frequency of 2.1 × 10 ⁴s ^{− 1}has an energy of _____.

The _____ describes the phenomenon of ejection of an electron from the surface of an easily ionizable metal when a sufficiently energetic electron strikes that metal .

In the wave model, the amplitude of the wave determines the brightness of the light.

The particular pattern of wavelengths absorbed and emitted by any element is called its _____.

X-ray fluorescence is an analytical technique that uses high energy x-rays to eject protons from the nucleus of an atom.

The magnitude of the wavelength of an electromagnetic wave is twice the magnitude of the wave's frequency .

Introduction to Chemistry

Atoms and Molecules

Molecules, Moles, Chemical Equations

Stoichiometry

Gases

Chemical Bonding and Molecular Structure

Molecules and Materials

Energy and Chemistry

Entropy and the Second Law of Thermodynamics

Chemical Kinetics

Chemical Equilibrium

Electrochemistry

Nuclear Chemistry Available Through Custom Publishing

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Exam 6: The Periodic Table and Atomic Structure

The _____ of any wave is the distance between corresponding points on adjacent waves.

The process of deciding which orbitals hold electrons in an atom requires that we "fill" orbitals starting with the lowest energy and proceeding to higher energy. This concept is referred to as the _____.

An excited electron cannot exist indefinitely and must eventually return to its ground state.

In the context of quantum numbers, if n = 4, there are _____ orbitals to fill in that shell.

In quantum mechanics, an " l " value of 2 corresponds to a letter designation of _____.

Because the speed of light remains constant for a given medium, frequency and wavelength are inversely proportional.

The energy of an incoming photon must be greater than the binding energy of a metal's electron in order to have that electron ejected from the metal's surface .

The size of orbitals tends to decrease for large nuclei as a result of _____.

The Pauli exclusion principle states that no two electrons in the same atom may have the same set of four quantum numbers.

If photon "A" has twice the energy of photon "B" in a given medium, then "A" should have half the frequency of "B."

If a 755 nm photon travels in vacuum, what is the frequency of this photon? Recall that the speed of light in vacuum is 2.998 × 10 8 m\ s .

Atomic absorption spectrometry (AAS)is based on the principle that atoms of a sample absorb light of particular frequencies that depend on the chemical identity of the atoms and reveal the elemental composition of the sample.

What is the correct electron configuration of a bromide ion ?

Among the following elements, which displays the greatest electron affinity?

A photon with a frequency of 2.1 × 10 4 s − 1 has an energy of _____.

The _____ describes the phenomenon of ejection of an electron from the surface of an easily ionizable metal when a sufficiently energetic electron strikes that metal .

In the wave model, the amplitude of the wave determines the brightness of the light.

The particular pattern of wavelengths absorbed and emitted by any element is called its _____.

X-ray fluorescence is an analytical technique that uses high energy x-rays to eject protons from the nucleus of an atom.

The magnitude of the wavelength of an electromagnetic wave is twice the magnitude of the wave's frequency .

Introduction to Chemistry

Atoms and Molecules

Molecules, Moles, Chemical Equations

Stoichiometry

Gases

Chemical Bonding and Molecular Structure

Molecules and Materials

Energy and Chemistry

Entropy and the Second Law of Thermodynamics

Chemical Kinetics

Chemical Equilibrium

Electrochemistry

Nuclear Chemistry Available Through Custom Publishing

Filters

If a 755 nm photon travels in vacuum, what is the frequency of this photon? Recall that the speed of light in vacuum is 2.998 × 10 ⁸m\ s .

A photon with a frequency of 2.1 × 10 ⁴s ^{− 1}has an energy of _____.