Covalent Bond Strength

True or False: Shorter bonds are stronger bonds with larger bond energy.

• True

• False

Tags

NGSS.HS-PS1-4

True or False: Double and triple bonds are longer, weaker bonds than single bonds.

• True

• False

Which of these would require the least energy in order to break the bonds?

• single bond

• double bond

• triple bond

Answer explanation

Single bonds are the weakest bonds.

Longer bonds are _ than shorter bonds

• weaker

• stronger

Answer explanation

The protons and electrons are farther apart when the bond is longer, so the strength of attraction between them is less

Shorter bonds are _ than longer bonds.

• weaker

• stronger

Answer explanation

When bonds are shorter, atoms are closer together. This means the protons and electrons are closer together so the strength of attraction between them is greater.

When the bond is stronger, the bond energy is

• smaller

• larger

Answer explanation

It takes more energy to break stronger bonds

Tags

NGSS.HS-PS1-4

When the bond is weaker, the bond energy is

• smaller

• bigger

Answer explanation

The weaker the bond is, the less energy it takes to break it

Tags

NGSS.HS-PS1-4

The energy required to break a bond and break atoms of a molecule apart

• bond length

• bond energy

• bond strength

• none of these

Tags

NGSS.HS-PS1-4

Which of these is the shortest bond?

• single bond

• double bond

• triple bond

Which of these is the strongest bond?

• single bond

• double bond

• triple bond