Prep Chemistry Electron Configuration

How many valence electrons does Chlorine have?

• 5

• 2

• 7

• 5

Tags

NGSS.HS-PS1-1

What electron configuration matches an oxygen atom?

• 1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵

• 1s²2s²2p⁴

• 1s²2s²2p⁶

• 1s²2s²2p⁶3s²3p⁶4s²3d¹

Tags

NGSS.HS-PS1-1

Identify the Electron Configuration for Aluminum (Al)

• 1s² 2s² 2p⁶ 3s² 3p¹

• 1s² 2s² 2p⁶ 3s² 3p³

• 1s² 2s² 2p⁶ 3s² 4p¹

Tags

NGSS.HS-PS1-1

What atom matches this electron configuration?

• Zinc

• Copper

• Nickel

• Germanium

Tags

NGSS.HS-PS1-1

This orbital diagram represents:  

• C

• B

• N

• O

Tags

NGSS.HS-PS1-1

Which orbital is displayed correctly?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-1

What is incorrect about this orbital diagram?

• Both arrows in the 2p box should be pointing up

• There is nothing incorrect with this diagram

• In the there should only be 1 orbital in the first 2p box and one in the 2nd 2p box

• All the arrows should be pointing up.

Which element has electronic configuration of 1s2 2s2 2p6 3s2 3p2

• C

• Si

• Mg

• Be

Tags

NGSS.HS-PS1-1

Which element has a configuration of 1s2 2s2 2p6?

• Neon

• Helium

• Argon

• Krypton

Tags

NGSS.HS-PS1-1

How many electrons can the d sublevel hold?

• 8

• 10

• 2

• 4