Valence Electrons

Which is an electron?

• A
• B
• C

The the first electron level (shell) can hold up to how many electrons?

• 6

• 8

• 4

• 2

This is a Bohr Diagram of Aluminum. How many valence electrons does Aluminum have?

• 2

• 3

• 5

• 13

What is a valence electron?

• an electron that is found in the outermost shell of an atom. 
• an electron found in the innermost shell of an atom.
• an electron found in the middle shell.

Which of these is drawn correctly? Neon has 8 valence electrons.

• 
• 

Which of these is correct for Boron?

• 
• 
• 

How many valence electrons does a carbon atom have?

• 2

• 3

• 4

• 5

In a neutral atom the amount of electrons is equal to

• neutrons
• protons
• atomic mass
• neutrons + protons

How many valence electrons are found in atoms in group 14?

• 4
• 3
• 14
• 16

This is the correct Lewis dot diagram for neon (Ne) which is in group 18.

• true

• false