Electron Configurations and Orbital Diagrams

The first sublevel is always 1s. The second sublevel is 2s. What is the third sublevel?

• 3s

• 2p

• 3d

• 4f

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What sublevel is filled after 4s?

• 5s

• 3p

• 3d

• 4f

Tags

NGSS.HS-PS1-1

How many orbitals are in an s sublevel such as 1s or 2s?

• 1

• 2

• 3

• 5

How many orbitals are in a d sublevel such as 3d?

• 1

• 3

• 5

• 7

Check each answer that could be the number of electrons in a p sublevel, such as 2p.

• 3

• 7

• 5

• 1

What is the maximum # of electrons in a d sublevel such as 4d?

• 2

• 6

• 10

• 14

Which of these is the electron configuration for nitrogen which has an atomic # of 7?

• 1s²2s²3s²4s¹

• 1s²2s²2p²3s¹

• 1s¹2s²2p⁴

• 1s²2s²2p³

Tags

NGSS.HS-PS1-1

The electrons in the highest occupied energy level are called ___________ electrons.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2