AP Chemistry Units 1 and 2 Review

VSEPR predicts an SBF₅ molecule will be which of the following shapes?

• tetrahedral

• trigonal bipyramidal

• square pyramid

• trigonal planar

Vanadium forms several oxides. In which of the following oxides is the vanadium-to-oxygen mass ratio 2.39:1.00?

• VO

• V₂O₃

• V₃O₄

• VO₂

Tags

NGSS.HS-PS1-7

Sodium sulfate forms several hydrates. A sample of a hydrate is heated until all the water is removed. What is the formula of the original hydrate if it loses 43% of its mass when heated?

• Na₂SO₄·H₂O

• Na₂SO₄·2H₂O

• Na₂SO₄·6H₂O

• Na₂SO₄·8H₂O

Tags

NGSS.HS-PS1-7

Which of the following does not have one or more π bonds?

• H₂O

• HNO₃

• O₂

• N₂

Tags

NGSS.HS-PS1-1

Which of the following molecules does NOT contain one or more π bonds?

• CO₂

• SF₆

• CO

• SO₃

Tags

NGSS.HS-PS1-3

Which of the following molecules is the least polar?

• PH₃

• CH₄

• H₂O

• NO₂

Which of the following molecules is the most polar?

• NH₃

• N₂

• CH₃I

• BF₃

For which of the following substances is the formula mass the same for both the empirical and molecular formulas?

• H₂C₂O₄

• C₆H₁₂O₆

• CO₂

• H₂O₂

Which of the following groups contains only elements than can exceed an octet in at least some of their compounds?

• Sb, Br, N

• As, I, Si

• C, S, Bi

• O, Te, Ge

The electron pairs point toward the corners of which geometric shape for a molecule with sp² hybrid orbitals?

• trigonal planar

• octahedron

• trigonal bipyramid

• trigonal pyramid