QUANTUM NUMBERS

How many quantum numbers are needed to describe the energy state of an electron in an atom?

• 1
• 2
• 3
• 4

What atom matches this electron configuration?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

The set of orbitals that are dumbbell shaped and directed along the x, y, and z axes are called 

• d orbitals.
• p orbitals.
• f orbitals.
• s orbitals

For the quantum number, "l", equal to 2, is an "m_l" value of -1 permitted?  

• yes
• no

Is the 5p orbital permitted? 

• yes
• no

For a principle quantum number, "n", equal to 2, what is the total electron capacity of that level?  

• 2
• 4
• 8
• 16

What is the “l” quantum number for an f orbital?  

• 0
• 1
• 2
• 3

What is the correct representation for an orbital which has an "n" value of 4 and an "l" value of 2?  

• 4d
• 4s
• 4f
• 4p

How many orbitals in the d subshell? 

• 1
• 7
• 3
• 5