What is the molecular formula for structure showed?

• C₈H₁₈

• C₃H₃

• C₈H₃

• C₃H₂(CH₃)₃

Tags

NGSS.HS-LS1-6

NGSS.HS-PS1-3

How many single covalent bonds does benzene (C₆H₆) molecule have?

• 3

• 6

• 9

• 12

All of these structure formulas are correct, except for ___?

• a.

• b.

• c.

• d.

Tags

NGSS.HS-LS1-6

According to the Octet Rule, Nitrogen (N) has ____ valence electrons and forms ___ bonds

• 2, 6

• 3, 5

• 4, 4

• 5, 3

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of these molecules has a triple covalent bond?

• CH₄

• C₂H₆

• C₂H₄

• C₂H₂

The Lewis Dot structure for Oxygen shows ___ valance electrons. Of these, ___ are paired, and ___ are unpaired. Oxygen forms ___ covalent bonds.

• 6, 2, 4, 2

• 6, 4, 2, 2

• 4, 2, 1, 4

• 4, 1, 2, 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Based on the Lewis Dot Structure for the element Oxygen, how many covalent bonds would the O₂ molecule have? The Oxygen molecule (O₂) make up approximately 19% of our atmosphere.

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

This molecule can be best described as ___

• Ionic compound

• Metallic

• Network Covalent

• Polar Covalent

• Nonpolar Covalent

Tags

NGSS.HS-PS1-1

The molecular formula for dihydrogen sulfide is ___?

• HS

• H₂S₂

• HS₂

• H₂S

Given the structural formulas:

Which two formulas represent compounds that are isomers of each other?

• A and B

• A and C

• B and D

• C and D