Chemical Bonding & Structure IB Topic 4

What does the acronym VSEPR stand for?

• Valence, Shell, Electron, Pair, Repulsion

• Valence, Shed, Electron, Pair, Repulsion

• Vacancy of Shells in Electron Pairs that Repel

• Value of Shell Electrons Pairs that are Repelled

Which of the following has the highest melting point?

• Potassium

• Lithium

• Sodium

• Rubidium

Tags

NGSS.MS-PS3-4

Which of the following is NOT a polyatomic ion?

• NH₄⁺

• H₂

• PO₄^3-

• CN^-

What VSEPR class is the following structure?

• Square Pyramidal

• Trigonal Bipyramidal

• Octahedral

• Tetrahedral

Which of the following is ionic?

• H₂O

• CO₂

• CH₃CH₂OH

• LiCl

Tags

NGSS.HS-PS1-3

Which of these is a covalent bond?

• LiBr

• BeS

• MgO

• O₂

What is the correct formula for chromium (III) sulfate?

• Cr(SO₄)₂

• Cr₂SO₄

• Cr₂(SO₄)₃

• Cr₃(SO₄)₂

Tags

NGSS.HS-PS1-2

What type of bond exists in NH₃?

• Metallic

• Polar covalent

• Nonpolar covalent

• Ionic

The bond angles in a molecule of boron trifluoride are...

• 90 degrees

• 120 degrees

• 109.5 degrees

• 107 degrees

Which of the following has the highest boiling point?

• H₂O

• NH₃

• NaCl

• Ne