Final Review: Topic 1

What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level

How many dots would a Lewis Dot structure of Helium have?

• 1
• 2
• 8
• 0

How many valence electrons are in Phosphorus?

• 15
• 4
• 5
• 31

This could be the dot diagram of

• Mg

• Cl

• C

• O

This is a correct dot diagram for nitrogen (N)

• true

• false

This is a correct dot diagram for carbon (C)

• true

• false

Which of these is incorrect?

• 
• 

How many valence electrons does Argon Have?

• 4 Valence electron

• 5 Valence electron

• 6 Valence electron

• 7 Valence electron

• 8 Valence electron

If an aluminum atom has 13 protons (+) and 10 electrons (-), what is it's charge?

• Al³⁺
• Al¹³⁺
• Al¹⁰⁺
• Al^10-

An atom with 3 valence electrons "wants" a full shell, so it can either gain 5 or lose 3. Which is more likely to occur?

• Gain 5
• Lose 3
• Nothing