quantum model of the atom

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

What is the maximum number of electrons that can be on the p sublevel?

• 6
• 3
• 2
• 4

Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?

• Hund’s Rule
• Aufbau Principle
  
• Pauli Exclusion Principle

How many orbitals are there in the "d" sublevel?

• 1
• 3
• 5
• 7

1s²2s²2p⁶3s¹

Which element is being represented in the electron configuration above?

• boron

• potassium

• sodium

• magnesium