Question 1

Heisenberg stated that due to the wave properties of an electron, it is impossible to know their precise _________ and momentum simultaneously.

Accepted Answer

Position

Question 2

It is not possible to define a region that contains the entire wavefunction.

Accepted Answer

A) True 
 B)False  True

Question 3

Window glass blocks out short wavelength energetic photons but allows the longer wavelength, lower energy photons in the visible and infrared region to pass through. This process means that the following statements can be paired together.
-In high summer, plants often wither and die in a greenhouse because

Accepted Answer

A)  skin-damaging, short wavelength, UV radiation is most abundant during the hottest part of the day. UV radiation cannot penetrate buildings, even through the windows 
B)  the infrared radiation heats the molecules in the curtain and not the air molecules in the room 
C)  the glass lets through the visible light which the plants need for photosynthesis 
D)  the abundant infrared radiation passes into the greenhouse rapidly heating the air inside 
A)  skin-damaging, short wavelength, UV radiation is most abundant during the hottest part of the day. UV radiation cannot penetrate buildings, even through the windows 
B)  the infrared radiation heats the molecules in the curtain and not the air molecules in the room 
C)  the glass lets through the visible light which the plants need for photosynthesis 
D)  the abundant infrared radiation passes into the greenhouse rapidly heating the air inside D

Question 4

John Dalton developed the idea that all matter was composed of solid indivisible atoms. As a result in any equation, the mass of the products is equal to the mass of ____________

Accepted Answer

The answer of John Dalton developed the idea that all...

Question 5

Given that the work function for an aluminium surface is 5.66 F1F1F1S1F1F1F10 10-19 J, determine what wavelength of radiation will be required to eject an electron from the surface?

Accepted Answer

A)  652 nm 
B)  217 nm 
C)  455 nm 
D)  351 nm 
A)  652 nm 
B)  217 nm 
C)  455 nm 
D)  351 nm

Question 6

The ionization enthalpy of the group 1 elements _______ down the group?

Accepted Answer

The answer of The ionization enthalpy of the group 1...

Question 7

Window glass blocks out short wavelength energetic photons but allows the longer wavelength, lower energy photons in the visible and infrared region to pass through. This process means that the following statements can be paired together.
-Closing the curtains in a house keeps the room cooler because

Accepted Answer

A)  skin-damaging, short wavelength, UV radiation is most abundant during the hottest part of the day. UV radiation cannot penetrate buildings, even through the windows 
B)  the infrared radiation heats the molecules in the curtain and not the air molecules in the room 
C)  the glass lets through the visible light which the plants need for photosynthesis 
D)  the abundant infrared radiation passes into the greenhouse rapidly heating the air inside 
A)  skin-damaging, short wavelength, UV radiation is most abundant during the hottest part of the day. UV radiation cannot penetrate buildings, even through the windows 
B)  the infrared radiation heats the molecules in the curtain and not the air molecules in the room 
C)  the glass lets through the visible light which the plants need for photosynthesis 
D)  the abundant infrared radiation passes into the greenhouse rapidly heating the air inside

Question 8

Match the first ionization enthalpy with the appropriate element of the first period.
-1314 kJ mol-1

Accepted Answer

A)  N 
B)  Li 
C)  Ne 
D)  O 
A)  N 
B)  Li 
C)  Ne 
D)  O

Question 9

In Thomas Young's experiment when he passed light through two closely placed slits, it gave an interference pattern. This evidence suggests that light behaves as a particle.

Accepted Answer

A) True 
 B)False

Question 10

Match the first ionization enthalpy with the appropriate element of the first period.
-1402 kJ mol-1

Accepted Answer

A)  N 
B)  Li 
C)  Ne 
D)  O 
A)  N 
B)  Li 
C)  Ne 
D)  O

Question 11

The f7 configuration has particular stability due to the _______ energy

Accepted Answer

Question 12

The anion of a non metal is smaller than the corresponding neutral species.

Accepted Answer

A) True 
 B)False

Question 13

The results of Rutherford's experiment which fired F1F1F1S1F1F1F10-particles at a thin metal film were? Please select all that apply.

Accepted Answer

A)  All the F1F1F1S1F1F1F10-particles passed straight through. 
B)  Most of the F1F1F1S1F1F1F10-particles passed straight through with only minor reflections. 
C)  A small number of F1F1F1S1F1F1F10-particles were deflected through angles greater than 90°. 
D)  All of the F1F1F1S1F1F1F10-particles were deflected through angles greater than 90°. 
A)  All the F1F1F1S1F1F1F10-particles passed straight through. 
B)  Most of the F1F1F1S1F1F1F10-particles passed straight through with only minor reflections. 
C)  A small number of F1F1F1S1F1F1F10-particles were deflected through angles greater than 90°. 
D)  All of the F1F1F1S1F1F1F10-particles were deflected through angles greater than 90°.

Question 14

Match the first ionization enthalpy with the appropriate element of the first period.
-520 kJ mol-1

Accepted Answer

A)  N 
B)  Li 
C)  Ne 
D)  O 
A)  N 
B)  Li 
C)  Ne 
D)  O

Question 15

Window glass blocks out short wavelength energetic photons but allows the longer wavelength, lower energy photons in the visible and infrared region to pass through. This process means that the following statements can be paired together.
-Keen gardeners use a greenhouse to help their plants grow because

Accepted Answer

A)  skin-damaging, short wavelength, UV radiation is most abundant during the hottest part of the day. UV radiation cannot penetrate buildings, even through the windows 
B)  the infrared radiation heats the molecules in the curtain and not the air molecules in the room 
C)  the glass lets through the visible light which the plants need for photosynthesis 
D)  the abundant infrared radiation passes into the greenhouse rapidly heating the air inside 
A)  skin-damaging, short wavelength, UV radiation is most abundant during the hottest part of the day. UV radiation cannot penetrate buildings, even through the windows 
B)  the infrared radiation heats the molecules in the curtain and not the air molecules in the room 
C)  the glass lets through the visible light which the plants need for photosynthesis 
D)  the abundant infrared radiation passes into the greenhouse rapidly heating the air inside

Question 16

The dz2 orbital is a different shape to all the other d orbitals because it is really the combination of two orbitals, meaning there are six solutions and not five to the Schrödinger equation for n = 2.

Accepted Answer

A) True 
 B)False

Question 17

As objects such as electrons have wave-like properties, this property leads to uncertainties in which of the following quantities? Please select all that apply.

Accepted Answer

A)  p (momentum) 
B)  m (mass) 
C)  q (position)° 
D)  h (Planck's constant) 
A)  p (momentum) 
B)  m (mass) 
C)  q (position)° 
D)  h (Planck's constant)

Question 18

What is the electronic configuration of the nitride, N3- ion? Is this ion paramagnetic?

Accepted Answer

A)  N3- 1s2 2s2 2p6 and paramagnetic 
B)  N3- 1s2 2s2 2p6 and diamagnetic 
C)  N3- 1s2 2s2 2p5 and paramagnetic 
D)  N3- 1s2 2s2 2p5 and diamagnetic 
A)  N3- 1s2 2s2 2p6 and paramagnetic 
B)  N3- 1s2 2s2 2p6 and diamagnetic 
C)  N3- 1s2 2s2 2p5 and paramagnetic 
D)  N3- 1s2 2s2 2p5 and diamagnetic

Question 19

How many orbitals are defined for the shell where n = 3?

Accepted Answer

A)  9 
B)  1 
C)  4 
D)  16 
A)  9 
B)  1 
C)  4 
D)  16

Question 20

Match the type of orbital defined by the quantum numbers given in questions (a) to (d) in the left column, to the answers given in the right column.
-n equals 5, l equals 3

Accepted Answer

A)  4d orbital 
B)  value of n not allowed 
C)  5f orbital 
D)  value of l not allowed for this value of n 
A)  4d orbital 
B)  value of n not allowed 
C)  5f orbital 
D)  value of l not allowed for this value of n

Exam 3: Atomic Structure and Properties

Heisenberg stated that due to the wave properties of an electron, it is impossible to know their precise _________ and momentum simultaneously.

It is not possible to define a region that contains the entire wavefunction.

John Dalton developed the idea that all matter was composed of solid indivisible atoms. As a result in any equation, the mass of the products is equal to the mass of ____________

Given that the work function for an aluminium surface is 5.66  10-19 J, determine what wavelength of radiation will be required to eject an electron from the surface?

The ionization enthalpy of the group 1 elements _______ down the group?

Match the first ionization enthalpy with the appropriate element of the first period. -1314 kJ mol-1

In Thomas Young's experiment when he passed light through two closely placed slits, it gave an interference pattern. This evidence suggests that light behaves as a particle.

Match the first ionization enthalpy with the appropriate element of the first period. -1402 kJ mol-1

The f7 configuration has particular stability due to the _______ energy

The anion of a non metal is smaller than the corresponding neutral species.

The results of Rutherford's experiment which fired -particles at a thin metal film were? Please select all that apply.

Match the first ionization enthalpy with the appropriate element of the first period. -520 kJ mol-1

The dz2 orbital is a different shape to all the other d orbitals because it is really the combination of two orbitals, meaning there are six solutions and not five to the Schrödinger equation for n = 2.

As objects such as electrons have wave-like properties, this property leads to uncertainties in which of the following quantities? Please select all that apply.

What is the electronic configuration of the nitride, N3- ion? Is this ion paramagnetic?

How many orbitals are defined for the shell where n = 3?

Match the type of orbital defined by the quantum numbers given in questions (a) to (d) in the left column, to the answers given in the right column. -n equals 5, l equals 3

Fundamentals

The Language of Organic Chemistry

Diatomic Molecules

Polyatomic Molecules

Solids

Acids and Bases

Gases

Reaction Kinetics

Molecular Spectroscopy

Analytical Chemistry

Molecular Characterisation

Energy and Thermochemistry

Entropy and Gibbs Energy

Electrochemistry

Phase Equilibrium and Solutions

Isomerism and Stereochemistry

Organic Reaction Mechanisms

Halogenoalkanes: Substitution and Elimination Reactions

Alkenes and Alkynes: Electrophilic Addition and Pericyclic Reactions

Benzene and Other Aromatic Compounds: Electrophilic Substitution Reactions

Aldehydes and Ketones: Nucleophilic Addition and Α-Substitution Reactions

Carboxylic Acids and Derivatives: Nucleophilic Acyl Substitution and Α-Substitution Reactions

Hydrogen

S-Block Chemistry

P-Block Chemistry

D-Block Chemistry

Filters

Given that the work function for an aluminium surface is 5.66  10^-19 J, determine what wavelength of radiation will be required to eject an electron from the surface?

Match the first ionization enthalpy with the appropriate element of the first period. -1314 kJ mol^-1

Match the first ionization enthalpy with the appropriate element of the first period. -1402 kJ mol^-1

The f⁷ configuration has particular stability due to the _______ energy

Match the first ionization enthalpy with the appropriate element of the first period. -520 kJ mol^-1

The d_z₂ orbital is a different shape to all the other d orbitals because it is really the combination of two orbitals, meaning there are six solutions and not five to the Schrödinger equation for n = 2.

What is the electronic configuration of the nitride, N^3- ion? Is this ion paramagnetic?