JeopardyLabs

Bond geometry

100

What is the geometry of CF₄?

Tetrahedral

200

What geometry does SCN^- have?

Bent

300

What is the geometry of H₂S?

Bent

400

What geometry does PF₃ have?

Trigonal Pyramidal. (26 electrons)

500

What geometry does BF₃ have?

Trigonal planar (24 electrons)

Polarity

100

Is CH₄ polar or nonpolar?

CH₄ is nonpolar.

200

List from most polar to least polar:

C-H, C-C, C-N

C-N, C-H, C-C

300

Which is more polar, C-H or C-O?

C-O is more polar.

400

List from least polar to most polar bond: C-Br, C-I, C-F, C-Cl

C-I, C-Br, C-Cl, C-F

500

Is PCl₅ polar or nonpolar?

Nonpolar

Molar Masses

100

What is the molar mass of H2O?

18.02 grams

200

What is the molar mass of KOH?

56.11 g

300

What is the molar mass of NaCl?

58.44 g

400

What is the molar mass of CO₂?

44.01 g

500

How many carbon atoms are there in 20.06 g of C?

(20.06g/1)(1 mol/12.01g)(6.022*10²³/1 mol)= 1.006*10²⁴ carbon atoms