Valence Electrons and Oxidation Numbers

How many "valance electrons" are in chlorine?

• 7
• 2
• 17
• 8

Tags

NGSS.HS-PS1-1

Does this carbon have the correct amount of electrons?

• Yes
• No, it needs one more
• No, it needs two more
• No, it needs three more

Tags

NGSS.HS-PS1-1

Nitrogen has 5 valence electrons

• True
• False, it has 7
• False, it has 14
• False, it has 7.01

Is this Lewis Dot Structure correct

• Yes
• No, chlorine has 6 valence
• No, chlorine has 8 valence
• No, chlorine has 17 electrons

Tags

NGSS.HS-PS1-1

How many electrons are in the following chlorine atom?

• 7
• 8
• 17
• 13

Tags

NGSS.HS-PS1-1

I am Chlorine. How many electrons to I need to complete my energy level?

• 8

• 7

• 1

• 0

Potassium has 1 valence electron, would it rather gain 7 electrons or lose its one valence electron to complete its energy level?

• lose 1 electron

• gain 1 electron

• lose 7 electrons

• gain 7 electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Lewis Dot Structure shows us the..

• Energy Levels of electrons

• Valence electrons

• number of protons

• total number of electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the name of this element?

• Helium
• Hydrogen
• Argon
• Silver

Tags

NGSS.HS-PS1-1

What element is represented in this Bohr Model?

• Carbon

• Hydrogen

• Aluminum

• Lithium