Orbital Diagrams

What do orbital diagrams illustrate?

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NGSS.MS-PS1-1

In an orbital diagram, what does each box represent?

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Fill in the blank: Arrows in an orbital diagram represent ________.

• the electrons in the orbitals.

• the protons in the nucleus.

• the neutrons in the atom.

• the energy levels of the atom.

What is the electron configuration of nitrogen based on the orbital diagram?

• The electron configuration of nitrogen is 1s² 2s² 2p³.

• The electron configuration of nitrogen is 1s² 2s² 2p².

• The electron configuration of nitrogen is 1s² 2s² 2p⁴.

• The electron configuration of nitrogen is 1s² 2s² 2p⁵.

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NGSS.HS-PS1-1

How many electrons are present in the 2p orbital of nitrogen according to the diagram?

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What letter is used to represent energy levels in the Bohr model?

• m

• n

• p

• q

Fill in the blank: There are four types of sublevels: ___, p, d, and f.

• s

• g

• h

• i

To complete an orbital diagram, what must you first know about the atom?

• Number of protons

• Number of neutrons

• Number of electrons

• Atomic mass

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NGSS.HS-PS1-1

What is the Aufbau Principle?

• Electrons are added one at a time to the highest energy orbitals available.

• Electrons are added one at a time to the lowest energy orbitals available until all the electrons of the atoms have been accounted for.

• Electrons are added in pairs to the lowest energy orbitals available.

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

According to the Pauli Exclusion Principle, an orbital can hold a maximum of ______ electrons.

• two

• three

• four

• one