CH 231 Midterm 2 Jeopardy Game

Naming Compounds

100

Calcium Phospahte

Ca₃(PO₄)₂

200

CaH₂

Calcium Hydride

300

Tin(IV) Oxide

SnO₂

400

Na₂(C₂H₃O₂)

Sodium Acetate

500

Rubidium Sulfide

Rb₂S

Periodic Table trends

100

More electronegative: S or P

S

200

More Ionization energy: Al or In

Al

300

Less Electron Affinity: W or Pd

W

400

The energy required to remove an electron from an atom when it is in the gas phase

Electron Affinity

500

An atom’s pull on electrons when in a bond. (Tendency to attract electrons when in a bond)

Electronegativity

Stoichiometry

100

Balance the Chemical equation K₂O₂+H₂O->KOH+O₂

2K₂O₂+2H₂O->4KOH+O₂

200

Balance C₄H₁₀+O₂->CO₂+H₂O

2C₄H₁₀+13O₂->8CO₂+10H₂O

300

If we have react 35.0 grams of C₄H₁₀ how many grams of water will we get

54.2 g

400

If we react 80.0 grams of C₄H₁₀ with 100.0 grams of O₂ how many grams of CO₂ will we get?

84.6 grams

500

soluble ionic compound. strong acids and bases

Strong electrolytes (Strongly conduct electricity when dissolved in water)

VSEPR

100

SO₄^2- molecular geometry and bond angle

tetrahedral and 109.5

200

CO₃^2- electron geometry

Trigonal planar

300

XeF₂ electron geometry, molecular geometry, polarity

Trigonal bipyramid, linear, nonpolar

400

O₃ bond angle

<120

500

IBr₄^- electron and molecular geometry and bond angle(s)

Octahedral, Square planar, 90 (but also 180)

Hybridization

100

SO₃ hybridization of S

sp²

200

Number of sigma and pi bonds in CO₂

2 sigma and 2 pi

300

Hybridization of C in CO₃^2- and number of sigma and pi bonds

sp², 3 sigma and 1 pi

400

Hybridization of central O in O₃ and number of pi and sigma bonds

sp² , 2 sigma and 1 pi

500

Weak acids and bases. Compounds that weakly conduct electricity when dissolved in water

Weak electrolytes