A line from the Pfund series has the frequency 8.02 F1F1F1S1F1F1F10 1013 Hz. What value of n2 generates this line in the spectrum?

A) 5 B) 6 C) 7 D) 8 A) 5 B) 6 C) 7 D) 8

The frequency of radiation used in a typical microwave oven is 1.00 F1F1F1S1F1F1F10 1011 Hz. What is the energy of a mole of microwave photons with this frequency?

A) 39.9 J mol-1 B) 3.99 J mol-1 C) 399 J mol-1 D) 0.39 J mol-1 A) 39.9 J mol-1 B) 3.99 J mol-1 C) 399 J mol-1 D) 0.39 J mol-1

Exam 3: Atomic Structure and Properties

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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. -The cancer charities advise people to stay inside during the hottest part of the day because

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Question 21

The half life or a radioactive element depends on the number of nuclei at the start.

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Question 22

A line from the Pfund series has the frequency 8.02  10¹³ Hz. What value of n₂ generates this line in the spectrum?

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Question 23

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 0, l equals 0

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Question 24

An electron is travelling with a wavelength of 246 pm, what is its velocity?

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Question 25

Match the first ionization enthalpy with the appropriate element of the first period. -2081 kJ mol^-1

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Question 26

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 4, l equals 2

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Question 27

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 2, l equals 3

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Question 28

The point at which the wavefunction is zero is known as a __ ?

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Question 29

The frequency of radiation used in a typical microwave oven is 1.00  10¹¹ Hz. What is the energy of a mole of microwave photons with this frequency?

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Question 30

Which of the following concepts are required to determine the ground state electronic configuration of the nitrogen atom? Please select all that apply.

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Question 31

Metals and metal compounds are added to gunpowder to produce the colours given in fireworks. The intense white light produced is by the metals aluminium, magnesium and ____________

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Question 32

Use Slater's rules to determine the relative sizes of N, O and F atoms.

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Question 33

An emission spectrum consists of dark lines on a bright background.

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Question 34

Showing 21 - 34 of 34

The half life or a radioactive element depends on the number of nuclei at the start.

A line from the Pfund series has the frequency 8.02  10¹³ Hz. What value of n₂ generates this line in the spectrum?

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 0, l equals 0

An electron is travelling with a wavelength of 246 pm, what is its velocity?

Match the first ionization enthalpy with the appropriate element of the first period. -2081 kJ mol^-1

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 4, l equals 2

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 2, l equals 3

The point at which the wavefunction is zero is known as a __ ?

The frequency of radiation used in a typical microwave oven is 1.00  10¹¹ Hz. What is the energy of a mole of microwave photons with this frequency?

Which of the following concepts are required to determine the ground state electronic configuration of the nitrogen atom? Please select all that apply.

Metals and metal compounds are added to gunpowder to produce the colours given in fireworks. The intense white light produced is by the metals aluminium, magnesium and ____________

Use Slater's rules to determine the relative sizes of N, O and F atoms.

An emission spectrum consists of dark lines on a bright background.

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

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Phase Equilibrium and Solutions

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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

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Exam 3: Atomic Structure and Properties

The half life or a radioactive element depends on the number of nuclei at the start.

A line from the Pfund series has the frequency 8.02  1013 Hz. What value of n2 generates this line in the spectrum?

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 0, l equals 0

An electron is travelling with a wavelength of 246 pm, what is its velocity?

Match the first ionization enthalpy with the appropriate element of the first period. -2081 kJ mol-1

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 4, l equals 2

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 2, l equals 3

The point at which the wavefunction is zero is known as a __ ?

The frequency of radiation used in a typical microwave oven is 1.00  1011 Hz. What is the energy of a mole of microwave photons with this frequency?

Which of the following concepts are required to determine the ground state electronic configuration of the nitrogen atom? Please select all that apply.

Metals and metal compounds are added to gunpowder to produce the colours given in fireworks. The intense white light produced is by the metals aluminium, magnesium and ____________

Use Slater's rules to determine the relative sizes of N, O and F atoms.

An emission spectrum consists of dark lines on a bright background.

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

A line from the Pfund series has the frequency 8.02  10¹³ Hz. What value of n₂ generates this line in the spectrum?

Match the first ionization enthalpy with the appropriate element of the first period. -2081 kJ mol^-1

The frequency of radiation used in a typical microwave oven is 1.00  10¹¹ Hz. What is the energy of a mole of microwave photons with this frequency?