Review of Ionic & Covalent Compounds for Fall '23 Quiz

Look at what group phosphorus is in on the periodic table. How many valence electrons are in Phosphorus?

• 15
• 4
• 5
• 31

Tags

NGSS.HS-PS1-1

Lewis dot structures show how many _______ an atom has.

• Inner shell electrons

• Core electrons

• Valence electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Each line in a Lewis Structure represents __________ electron(s).

• 3
• 2
• 1
• 4

This is a correct dot diagram for fluorine (F)

• true
• false

Tags

NGSS.HS-PS1-1

This is the correct dot diagram for nitrogen (N)

• true
• false

Tags

NGSS.HS-PS1-1

How many total valence electrons are participating in bonding in this molecule?

• 8

• 4

• 2

• 3

Tags

NGSS.HS-PS1-2

What is the correct Lewis structure for the covalent compound NH₃?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is the correct Lewis dot structure for the covalent compound fluorine (F₂)?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-1

When you draw the covalent compound HCl, how many lone pairs (pairs of electrons) are on Cl?

• 0

• 1

• 2

• 3

Which of these is the correct Lewis structure for the covalent compound SiBr₄?

• A

• B

• C

• D