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What shape do s-orbitals have?

Spherical (correct)

Cylindrical

Dumbbell-shaped

Planar

How many orbitals does a single p sublevel contain?

5

1

2

3 (correct)

Which of the following accurately describes the shape of p-orbitals?

Dumbbell-shaped (correct)

Spherical in shape

Linear shape

Toroidal shape

What determines the number and types of atomic orbitals in an atom?

The energy sublevel Signup and view all the answers

Which of the following statements about d orbitals is true?

D orbitals have different orientations in space Signup and view all the answers

What is the primary function of the Bohr model in atomic theory?

To explain the specific paths of electrons around the nucleus Signup and view all the answers

Why did Rutherford’s atomic model fail to explain chemical properties?

It neglected to address electron energy levels Signup and view all the answers

What happens when an electron gains energy in the Bohr model?

It moves to a higher energy level further from the nucleus Signup and view all the answers

Which characteristic of energy levels is true in the Bohr model?

Higher energy levels are closer together Signup and view all the answers

What physical phenomenon occurs when electrons return to lower energy levels?

Emitting light Signup and view all the answers

Which statement best explains the concept of a quantum of energy?

A fixed amount of energy required for electron transitions Signup and view all the answers

Why is it important to identify elements by their emission spectra?

It distinguishes between elements based on emitted light Signup and view all the answers

What was a limitation of the Bohr model when applied to atoms with more than one electron?

It could not accurately predict emission and absorption energies Signup and view all the answers

What occurs when an electron in a hydrogen atom returns to a lower energy level?

The atom emits light. Signup and view all the answers

In the Bohr model of the hydrogen atom, what state is achieved when the electron is at its lowest energy?

Ground state Signup and view all the answers

How did Erwin Schrödinger's model of the atom differ from that of Rutherford and Bohr?

It treated the electron as a wave. Signup and view all the answers

What is an atomic orbital best described as?

A region of space with a high probability of finding an electron. Signup and view all the answers

In quantum mechanics, what does the density of the electron cloud represent?

The probability of finding an electron. Signup and view all the answers

What does the frequency of emitted light from an electron's transition relate to?

The energy change of the electron. Signup and view all the answers

Which of the following statements about energy levels in the Bohr model is incorrect?

Electrons can have any energy between the energy levels. Signup and view all the answers

What is the significance of the solutions to the Schrödinger equation in quantum mechanics?

They describe allowed energies and electron probabilities. Signup and view all the answers

What is the maximum number of electrons that can be accommodated in the second energy level?

8 Signup and view all the answers

According to the Pauli exclusion principle, how many electrons can occupy a single atomic orbital?

Two, with opposite spins Signup and view all the answers

Which principle states that electrons will fill the lowest energy orbitals first?

Aufbau principle Signup and view all the answers

What is the total number of orbitals in the fourth energy level?

32 Signup and view all the answers

How many electrons can the d sublevel hold?

10 Signup and view all the answers

What characterizes Hund’s rule in filling orbitals?

Every orbital in a sublevel is singly occupied before being doubly occupied Signup and view all the answers

How is the maximum number of electrons in energy levels determined?

By using the formula $2n^2$ Signup and view all the answers

How many sublevels are present in the third energy level?

3 Signup and view all the answers

What is the correct electron configuration for a neutral iron atom?

1s2 2s2 2p6 3s2 3p6 4s2 3d6 Signup and view all the answers

Which of the following statements describes an excited electron configuration?

Electrons occupy higher energy levels than their ground state. Signup and view all the answers

Which of the following elements would have a 3d sublevel being filled?

Scandium Signup and view all the answers

What does the symbol 'Ne' represent in the electron configuration [Ne] 3s1 for sodium?

The preceding noble gas configuration Signup and view all the answers

How many total electrons are represented in the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2?

20 Signup and view all the answers

In the configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d5, how many electrons are in the 3d sublevel?

5 Signup and view all the answers

What is the electron configuration of the O2- ion?

1s2 2s2 2p6 Signup and view all the answers

What term is used to indicate when an electron or electrons are not in the lowest energy state?

Excitation Signup and view all the answers

Untitled Quiz

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Questions and Answers

What shape do s-orbitals have?

How many orbitals does a single p sublevel contain?

Which of the following accurately describes the shape of p-orbitals?

What determines the number and types of atomic orbitals in an atom?

Which of the following statements about d orbitals is true?

What is the primary function of the Bohr model in atomic theory?

Why did Rutherford’s atomic model fail to explain chemical properties?

What happens when an electron gains energy in the Bohr model?

Which characteristic of energy levels is true in the Bohr model?

What physical phenomenon occurs when electrons return to lower energy levels?

Which statement best explains the concept of a quantum of energy?

Why is it important to identify elements by their emission spectra?

What was a limitation of the Bohr model when applied to atoms with more than one electron?

What occurs when an electron in a hydrogen atom returns to a lower energy level?

In the Bohr model of the hydrogen atom, what state is achieved when the electron is at its lowest energy?

How did Erwin Schrödinger's model of the atom differ from that of Rutherford and Bohr?

What is an atomic orbital best described as?

In quantum mechanics, what does the density of the electron cloud represent?

What does the frequency of emitted light from an electron's transition relate to?

Which of the following statements about energy levels in the Bohr model is incorrect?

What is the significance of the solutions to the Schrödinger equation in quantum mechanics?

What is the maximum number of electrons that can be accommodated in the second energy level?

According to the Pauli exclusion principle, how many electrons can occupy a single atomic orbital?

Which principle states that electrons will fill the lowest energy orbitals first?

What is the total number of orbitals in the fourth energy level?

How many electrons can the d sublevel hold?

What characterizes Hund’s rule in filling orbitals?

How is the maximum number of electrons in energy levels determined?

How many sublevels are present in the third energy level?

What is the correct electron configuration for a neutral iron atom?

Which of the following statements describes an excited electron configuration?

Which of the following elements would have a 3d sublevel being filled?

What does the symbol 'Ne' represent in the electron configuration [Ne] 3s1 for sodium?

How many total electrons are represented in the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2?

In the configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d5, how many electrons are in the 3d sublevel?

What is the electron configuration of the O2- ion?

What term is used to indicate when an electron or electrons are not in the lowest energy state?

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