Valence Electrons and Quantum Numbers

What is the maximum number of orbitals that can exist in the 6th energy level (n=6)?

• 9

• 16

• 26

• 36

What is the maximum number of electrons that can occupy the 4th energy level (n=4)?

• 18

• 32

• 8

• 2

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

• 2
• 4
• 8
• 16

Any given orbital may hold a maximum of __ electrons

• 2

• 8

• 18

• 32

An element in the 3rd row of the periodic table has three valence electrons. It has one unpaired electron in its highest occupied sublevel

Identify the element.

• Na
• Al
• Cl
• Ar

How many valence electrons are in an atom of sulfur?

• 2
• 4
• 6
• 8

How many unpaired electrons are in an atom of strontium? (atomic number 38)

• 0
• 1
• 2
• 3

How many electrons can the second energy level (n=2) hold?

• 2

• 8

• 18

• 32

How many valence electrons does nitrogen Have?

• 1 Valence electrons

• 2 Valence electrons

• 3 Valence electrons

• 4 Valence electrons

• 5 Valence electrons

How many valence electrons does aluminum have?

• 1 Valence electron

• 2 Valence electron

• 3 Valence electron

• 4 Valence electron

• 5 Valence electron