Covalent Bonding and Structures

Why do atoms share electrons?

• To attain the electron configuration of a noble gas.
• To become ions and take a charge
• to increase the mass
• it's a nice thing to do.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What two types of atoms make a covalent bond?

• 2 Nonmetals
• 1 Nonmetal and 1 Metal
• 2 Metals
• 2 Noble Gases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons are shared in a single covalent bond?

• 2 pairs

• 4

• 2

• 1

Tags

NGSS.HS-PS1-2

Which of the following is NOT formed by a covalent bond?

• K₂S
• H₂O
• I₂
• CO₂

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which is stronger...

• N − N

• N = N

• N ≡ N

Tags

NGSS.HS-PS1-3

NGSS.HS-PS1-4

What would you name this molecule?

• SNa3
• H3O
• NaCl
• H2O

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What molecule is this?

• CO
• CO2
• C2O
• C2O2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many total valence electrons are participating in bonding in the molecule above?

• 8

• 4

• 2

• 3

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Disulfur trioxide

• S₃O₂
• SO
• S₂O₃
• S₂O

What is the correct formula for this molecule?

• NH
• N₃H
• NH₃
• NH₄

Tags

NGSS.MS-PS1-1