Electron configuration and Orbital Notation

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

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NGSS.HS-PS1-1

The electron configuration of an atom is 1s²2s²2p⁶.  The number of electrons in the atom is 

• 3
• 6
• 8
• 10

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NGSS.HS-PS1-1

This orbital diagram represents:  

• C
• B
• N
• O

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NGSS.HS-PS1-1

Which element is pictured?

• neon
• fluorine
• magnesium
• argon

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NGSS.HS-PS1-1

How many electrons can the s sublevel hold?

• 14
• 10
• 2
• 6

How many electrons can the p sublevel hold?

• 14
• 10
• 2
• 6

Which element is pictured?

• neon
• fluorine
• magnesium
• argon

Tags

NGSS.HS-PS1-1

 The diagram above represents two electrons with 

• a. opposite spins.
•  b. the same spin.
• c. different energies.
• d. different energy levels.

What is the correct noble-gas notation for the electron configuration of an atom of chlorine? 

• a. [Ar]3s² 3p⁵
•  b. [Ne]3s² 3p⁴
•  c. [Ar]3s² 3p⁴
•  d. [Ne]3s² 3p⁵

Tags

NGSS.HS-PS1-1

Using noble-gas notation, calcium is represented by [Ar]4s². How many electrons does calcium have?

• 18

• 20

• 22

• 24

Tags

NGSS.HS-PS1-1