Copy of CI Skill Check #2.3 (Unit 1 Investigation 2 Experience 3) (7/30/2025)

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2

Compare Bohr's nuclear atom to the more modern quantum mechanical model. How are the two models similar? How do they differ? Pick 3

Bohr's model has fixed orbits and is a two-dimensional model.

Only Bohr's model has distinct energy levels.

Both Bohr's model and the quantum model have distinct energy levels.

The quantum model has orbitals and is a three-dimensional model.

The Bohr model has an electron cloud and is a three-dimensional model.

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When constructing the quantum mechanical model of an atom, it’s important to use atomic orbitals to describe the _ location of any electron in a _.
Which terms best complete the sentence?

probable, three-dimensional space

probable, two-dimensional space

precise, two-dimensional space

permanent, three-dimensional space

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The electron shell model of an atom has three main components: the energy shell, the subshell, and the orbital. Which of the following represent the correct arrangement from the highest to the lowest maximum capacity to hold electrons?

subshell, orbitals, energy shell

energy shell, orbitals, subshell

energy shell, subshell, orbitals

orbitals, energy shell, subshell

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Read the passage and use the diagram to answer the next two questions.
The figure shows a three-dimensional model of the atomic orbitals corresponding to the 1s, 2s, and 2p subshells.
If all the orbitals shown in the model are completely filled, how many electrons does this atom have?

6

18

10

4

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Which of the following statements correctly describe the atom represented in the model?
Select all that apply. Pick 3

Each orbital can hold a maximum of two electrons.

The subshell energies increase as you go from 1s to 2s to 2p.

The three orbitals in the 2p subshell have the same energy.

The 1s and 2s orbitals have the same energy.

Copy of CI Skill Check #2.3 (Unit 1 Investigation 2 Experience 3) (7/30/2025)

Compare Bohr's nuclear atom to the more modern quantum mechanical model. How are the two models similar? How do they differ? Pick 3

When constructing the quantum mechanical model of an atom, it’s important to use atomic orbitals to describe the _________ location of any electron in a _________.Which terms best complete the sentence?

The electron shell model of an atom has three main components: the energy shell, the subshell, and the orbital. Which of the following represent the correct arrangement from the highest to the lowest maximum capacity to hold electrons?

Read the passage and use the diagram to answer the next two questions.The figure shows a three-dimensional model of the atomic orbitals corresponding to the 1s, 2s, and 2p subshells.If all the orbitals shown in the model are completely filled, how many electrons does this atom have?

Which of the following statements correctly describe the atom represented in the model? Select all that apply. Pick 3

Compare Bohr's nuclear atom to the more modern quantum mechanical model. How are the two models similar? How do they differ? Pick 3

When constructing the quantum mechanical model of an atom, it’s important to use atomic orbitals to describe the _________ location of any electron in a _________.Which terms best complete the sentence?

The electron shell model of an atom has three main components: the energy shell, the subshell, and the orbital. Which of the following represent the correct arrangement from the highest to the lowest maximum capacity to hold electrons?

Read the passage and use the diagram to answer the next two questions.The figure shows a three-dimensional model of the atomic orbitals corresponding to the 1s, 2s, and 2p subshells.If all the orbitals shown in the model are completely filled, how many electrons does this atom have?

Which of the following statements correctly describe the atom represented in the model? Select all that apply. Pick 3

When constructing the quantum mechanical model of an atom, it’s important to use atomic orbitals to describe the _ location of any electron in a _.
Which terms best complete the sentence?

Read the passage and use the diagram to answer the next two questions.
The figure shows a three-dimensional model of the atomic orbitals corresponding to the 1s, 2s, and 2p subshells.
If all the orbitals shown in the model are completely filled, how many electrons does this atom have?

Which of the following statements correctly describe the atom represented in the model?
Select all that apply. Pick 3

When constructing the quantum mechanical model of an atom, it’s important to use atomic orbitals to describe the _ location of any electron in a _.
Which terms best complete the sentence?

Read the passage and use the diagram to answer the next two questions.
The figure shows a three-dimensional model of the atomic orbitals corresponding to the 1s, 2s, and 2p subshells.
If all the orbitals shown in the model are completely filled, how many electrons does this atom have?

Which of the following statements correctly describe the atom represented in the model?
Select all that apply. Pick 3