Covalent Bonding

Oxygen has how many valence electrons?

• 2

• 4

• 6

• 8

Hydrogen has how many valence electrons?

• 1

• 2

• 3

• 4

Which word would complete this statement about covalent bonds: "Covalent bonds _________________ their electrons."

• share

• transfer

What would you name this molecule?

• SNa₃

• H₃O

• NaCl

• H₂O

What molecule is this?

• CO

• CO₂

• C₂O

• C₂O₂

In a covalent bond, one or more electrons are? 

• shared 
• lost 
• gained 
• transferred 

Tags

NGSS.MS-PS1-1

Which of these would be covalently bonded?

• Fr and K

• Na and O

• F and Cl

• Li and O

Identify ALL compounds that would be covalent.

• H₂O

• N₂F₆

• Li₂O

• NaCl

A covalent bond can form when an atom has

• Valence electrons

• Unpaired valence electrons

• Paired valenece electrons

• Some electrons

Sulfur (S) has 2 unpaired valence electrons. How many covalent bonds does it want to make?

• 2

• 4

• 6

• 0