Question 1

A(n) _____ is the point where the amplitude of a wave is zero.

Accepted Answer

The answer of A(n) _____ is the point where the...

Question 2

_____ is the frequency of light below which no electrons are emitted regardless of the light's intensity.

Accepted Answer

The answer of _____ is the frequency of light below...

Question 3

A(n) _____ is a spectrum produced by the absorption of light by ground-state atoms.

Accepted Answer

The answer of A(n) _____ is a spectrum produced by...

Question 4

The minimum uncertainty in the position of a tennis ball weighting 125.0 g and traveling at a speed of 70.00 $\pm$ 1.000 mi/h is _____.

Accepted Answer

A)  $\geq$ 6.626
$\times 10 ^ { - 34 } \mathrm {~m}$ 
B)  $\geq$ 9.436
$\times 10 ^ { - 34 } \mathrm {~m}$ 
C)  $\geq$ 1.666
$\times 10 ^ { - 34 } \mathrm {~m}$ 
D)  $\geq$ 0.5345
$\times 10 ^ { - 34 } \mathrm {~m}$ 
E)  $\geq$ 1.310
$\times 10 ^ { - 34 } \mathrm {~m}$ 
A)  $\geq$ 6.626
$\times 10 ^ { - 34 } \mathrm {~m}$ 
B)  $\geq$ 9.436
$\times 10 ^ { - 34 } \mathrm {~m}$ 
C)  $\geq$ 1.666
$\times 10 ^ { - 34 } \mathrm {~m}$ 
D)  $\geq$ 0.5345
$\times 10 ^ { - 34 } \mathrm {~m}$ 
E)  $\geq$ 1.310
$\times 10 ^ { - 34 } \mathrm {~m}$

Question 5

What is the smallest possible unit of energy called?

Accepted Answer

A)  Photon 
B)  Erg 
C)  Quark 
D)  Positron 
E)  Quantum 
A)  Photon 
B)  Erg 
C)  Quark 
D)  Positron 
E)  Quantum

Question 6

A(n) _____ is any arrangement of electrons that is higher in energy than the ground state.

Accepted Answer

The answer of A(n) _____ is any arrangement of electrons...

Question 7

The frequency of a wave is directly proportional to the speed of the wave.

Accepted Answer

A) True 
 B)False

Question 8

The ground state of an electron is associated with the lowest energy.

Accepted Answer

A) True 
 B)False

Question 9

The _____ is the process used to build up the periodic table by adding protons one by one to the nucleus and adding the corresponding electrons to the lowest-energy orbital available without violating the Pauli exclusion principle.

Accepted Answer

The answer of The _____ is the process used to...

Question 10

Write a note on the d orbital.

Accepted Answer

Subshells with l = 2 have five d orbital

Question 11

A crystal emits a light of wavelength 720.0 nm. What is the light's energy in joules of a mole photons

Accepted Answer

A)  4.164 × 1010 J/mol 
B)  6.625 × 10 -34 J/mol 
C)  1.661 × 105 J/mol 
D)  1.507 × 1015 J/mol 
E)  41.120 × 1014 J/mol 
A)  4.164 × 1010 J/mol 
B)  6.625 × 10 -34 J/mol 
C)  1.661 × 105 J/mol 
D)  1.507 × 1015 J/mol 
E)  41.120 × 1014 J/mol

Question 12

Write a note on Heisenberg's uncertainty principle.

Accepted Answer

Heisenberg stated that "at every moment

Question 13

According to the Pauli exclusion principle, no two electrons in the same atom can have the same values of all four quantum numbers.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following subshells would be filled first?

Accepted Answer

A)  4f 
B)  5p 
C)  6d 
D)  7p 
E)  6p 
A)  4f 
B)  5p 
C)  6d 
D)  7p 
E)  6p

Question 15

The _____ refers to the sharp decrease in the intensity of black body radiation emitted at shorter wavelengths.

Accepted Answer

ultraviole

Question 16

The wavelength of a wave is the distance between a wave crest and the adjacent trough.

Accepted Answer

A) True 
 B)False

Question 17

The minimum uncertainty in the position of a neutron travelling at a speed of 2.2 km/s ± 0.1% is _____. Given: The weight of a neutron is 1.675 * 10-27 kg.

Accepted Answer

A)  $\geq$ 0.1430
$\times 10 ^ {- 7 } \mathrm {~m} / \mathrm { s }$ 
B)  $\geq$ 0.1430
$\times 10 ^ { - 15 } \mathrm {~m} / \mathrm { s }$ 
C)  $\geq$ 0.3106
$\times 10 ^ { 15 } \mathrm {~m} / \mathrm { s }$ 
D)  $\geq$ 0.3106
$\times 10 ^ { 10 } \mathrm {~m} / \mathrm { s }$ 
E)  $\geq$ 0.1430
$\times 10 ^ { - 10 } \mathrm {~m} / \mathrm { s }$ 
A)  $\geq$ 0.1430
$\times 10 ^ {- 7 } \mathrm {~m} / \mathrm { s }$ 
B)  $\geq$ 0.1430
$\times 10 ^ { - 15 } \mathrm {~m} / \mathrm { s }$ 
C)  $\geq$ 0.3106
$\times 10 ^ { 15 } \mathrm {~m} / \mathrm { s }$ 
D)  $\geq$ 0.3106
$\times 10 ^ { 10 } \mathrm {~m} / \mathrm { s }$ 
E)  $\geq$ 0.1430
$\times 10 ^ { - 10 } \mathrm {~m} / \mathrm { s }$

Question 18

Gamma rays have the greatest energy and wavelength among all electromagnetic radiation.

Accepted Answer

A) True 
 B)False

Question 19

If the azimuthal quantum number is 0, the magnetic quantum number can be only 0.

Accepted Answer

A) True 
 B)False

Question 20

Which element has the electronic configuration [Ne]3s23p3?

Accepted Answer

A)  Aluminum 
B)  Phosphorous 
C)  Argon 
D)  Sulfur 
E)  Arsenic 
A)  Aluminum 
B)  Phosphorous 
C)  Argon 
D)  Sulfur 
E)  Arsenic

Exam 6: The Structure of Atoms

A(n) _____ is the point where the amplitude of a wave is zero.

_____ is the frequency of light below which no electrons are emitted regardless of the light's intensity.

A(n) _____ is a spectrum produced by the absorption of light by ground-state atoms.

The minimum uncertainty in the position of a tennis ball weighting 125.0 g and traveling at a speed of 70.00 ±\pm± 1.000 mi/h is _____.

What is the smallest possible unit of energy called?

A(n) _____ is any arrangement of electrons that is higher in energy than the ground state.

The frequency of a wave is directly proportional to the speed of the wave.

The ground state of an electron is associated with the lowest energy.

The _____ is the process used to build up the periodic table by adding protons one by one to the nucleus and adding the corresponding electrons to the lowest-energy orbital available without violating the Pauli exclusion principle.

Write a note on the d orbital.

A crystal emits a light of wavelength 720.0 nm. What is the light's energy in joules of a mole photons

Write a note on Heisenberg's uncertainty principle.

According to the Pauli exclusion principle, no two electrons in the same atom can have the same values of all four quantum numbers.

Which of the following subshells would be filled first?

The _____ refers to the sharp decrease in the intensity of black body radiation emitted at shorter wavelengths.

The wavelength of a wave is the distance between a wave crest and the adjacent trough.

The minimum uncertainty in the position of a neutron travelling at a speed of 2.2 km/s ± 0.1% is _____. Given: The weight of a neutron is 1.675 * 10-27 kg.

Gamma rays have the greatest energy and wavelength among all electromagnetic radiation.

If the azimuthal quantum number is 0, the magnetic quantum number can be only 0.

Which element has the electronic configuration [Ne]3s23p3?

Introduction to Chemistry

Molecules, Ions, and Chemical Formulas

Chemical Reactions

Reactions in Aqueous Solution

Energy Changes in Chemical Reactions

The Periodic Table and Periodic Trends

Ionic Versus Covalent Bonding

Molecular Geometry and Covalent Bonding Models

Gases

Liquids

Solids

Solutions

Chemical Kinetics

Chemical Equilibrium

Aqueous Acidbase Equilibriums

Solubility and Complexation Equilibriums

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Periodic Trends and the S-Block Elements

The P-Block Elements

The D-Block Elements

Organic Compounds

Filters

The minimum uncertainty in the position of a tennis ball weighting 125.0 g and traveling at a speed of 70.00 $\pm$ 1.000 mi/h is _____.

The minimum uncertainty in the position of a neutron travelling at a speed of 2.2 km/s ± 0.1% is _____. Given: The weight of a neutron is 1.675 * 10^-27 kg.

Which element has the electronic configuration [Ne]3s²3p³?