Electron Configurations

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

Tags

NGSS.HS-PS1-1

Which electron configuration belongs to Chlorine (Cl)?

• 1s² 2s² 2p⁶ 3s² 3p⁵

• 1s² 2s² 2p⁶ 3s² 3p⁶

• 1s² 2s² 2p⁶ 3s² 3p⁷

This orbital diagram represents:  

• C
• B
• N
• O

Tags

NGSS.HS-PS1-1

This orbital diagram represents:  

• C
• B
• N
• O

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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.

Tags

NGSS.HS-PS1-1

Which element is pictured?

• neon
• fluorine
• magnesium
• argon

Tags

NGSS.HS-PS1-1

How many electrons can the d sublevel hold?

• 14
• 10
• 2
• 6

Tags

NGSS.HS-PS1-1

1. What is the shape of an s orbital?

• sphere

• dumbbell

• double dumbbell

• flowerlike

The intensity of a peak or the height of the peak in a PES represents

• the binding energy of the electron

• the placement of the electron in the atom

• the relative number of electrons within that sublevel

• the amount of attraction of the nucleus to the electrons within that sublevel

The correct electron configuration for the stable ion of aluminum metal would be

• 1s² 2s² 2p⁶ 3s² 3p⁶

• 1s² 2s² 2p⁶ 3s²

• 1s² 2s² 2p⁶

• 1s² 2s² 2p⁶ 3s² 3p⁶4s²4p⁶