3.2 Lesson Check

This orbital diagram represents:  

• C
• B
• N
• O

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NGSS.HS-PS1-1

Which example shows a violation of Hund's Rule?

• A

• B

• C

• D

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NGSS.HS-PS1-1

All orbitals of equal energy are occupied by one electron before any single orbital is occupied by a second electron.

• Aufbau principle
• Pauli exclusion principle
• Hund’s rule
• Core Notation

An electron occupies the lowest energy orbital that can receive it.

• Hund’s rule
• Pauli exclusion principle
• Bohr model of the atom
• Aufbau principle

Which of the following is written correctly?

• A

• B

• C

• D

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NGSS.HS-PS1-1

Which shows the correct orbital diagram for Cobalt?

• 
• 
• 
• 

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NGSS.HS-PS1-1

What element's orbital notation is pictured here?

• Ar

• Br

• Cu

• Cl

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NGSS.HS-PS1-1

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

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NGSS.HS-PS1-1

What electron configuration matches an oxygen atom?

• 1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵
• 1s²2s²2p⁴
• 1s²2s²2p⁶
• 1s²2s²2p⁶3s²3p⁶4s²3d¹

Tags

NGSS.HS-PS1-1

What is the correct electron configuration for a ground-state atom with 7 electrons? 

•  a. 1s² 2s² 2p³
•  b. 1s² 2s² 2p² 3s¹
• c. 1s² 2s³ 2p²
•  d. 1s² 2s⁵

Tags

NGSS.HS-PS1-1