Covalent Bonds (Lewis Structures, Polar vs NonPolar)

What do we call a covalent bond where electrons are shared UNEVENLY or UNEQUALLY?

• Ionic
• Polar Covalent
• Nonpolar Covalent
• Van der Waals Force

How many electrons are shared in a single covalent bond?

• 2 pairs

• 4

• 2

• 1

Tags

NGSS.HS-PS1-2

Which is stronger...

• N − N

• N = N

• N ≡ N

Tags

NGSS.HS-PS1-3

NGSS.HS-PS1-4

Why do atoms bond?

• to find a date

• to become bigger

• to go to dog jam

• to become stable

For the structural formula shown, what is the chemical formula?

• NO
• N₂O₂
• NO₂
• N₂O

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

According to the octet rule most elements need _______ valence electrons.

• 2
• 8
• 6
• 18

Tags

NGSS.HS-PS1-1

Hydrogen needs _____ electrons in its valence shell to be stable.

• 4
• 6
• 8
• 2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

If electrons are shared unequally then the bond is....

• Non-polar covalent
• Ionic
• Non-polar ionic
• Polar covalent

How many electrons should Oxygen have around its Lewis dot model?

• 5
• 6
• 7
• 8

Tags

NGSS.HS-PS1-1

What is the correct formula for this molecule?

• NH
• N₃H
• NH₃
• NH₄

Tags

NGSS.MS-PS1-1