Chemistry Jeopardy

Vocabulary

100

What are electrons that are available for bonding?

Valence Electrons

200

What chemical reaction occurs when oxygen combines with a substance and releases heat and light?

Combustion reaction

300

What is the study of the quantitive relationship between the reactants and products in a chemical reaction?

Stoichiometry

400

What is an ion made up of more than one atom?

Polyatomic Ions

500

What are the names of the elements in group 17 on the periodic table?

Halogens

Mole/gram Conversions

100

How many moles are in 48.64g of Carbon?

4.05 mol

200

Convert CuSO4 to moles

.01 mol CuSO4

300

Convert .91g of H2O to moles.

.05 mol H2O

400

Convert 4.20 mol of calcium hydroxide to grams.

311.19g calcium hydroxide

500

Convert 50g of hydrochloric acid to moles.

1.37 moles of HCL

Balancing equations

100

Balance this equation

Ba + O₂  -> BaO

2Ba + O₂ -> 2BaO

200

Balance this equation.

FeCl₃ +MgO -> Fe₂O₃ + MgCl₂

2FeCl₃ +3MgO -> Fe₂O₃ +3 MgCl₂

300

Balance the equation.

C₃H₈ + O₂ -> CO₂ +H₂O

C₃H₈ + 5O₂ -> 3CO₂ +4H₂O

400

Balance the equation.

K₂CrO₄ + AgNO₃ -> Ag₂CrO₄ + KNO₃

K₂CrO₄ + 2AgNO₃ -> Ag₂CrO₄ + 2KNO₃

500

Balance this equation.

HCl +MnO₂ -> MnCl₂ +Cl₂ +H₂O

4HCl +MnO₂ -> MnCl₂ +Cl₂ +2H₂O

Naming Chemical Bonds

100

Name this chemical bond.

N₂O₅

Dinitrogen Pentaoxide

200

What is the formula for this compound?

chromium (III) Hydroxide

Cr(OH)₃

300

Name this compound.

TiBr₃

Titanium (III) Bromide

400

Name this Ionic Compound.

Zn(NO₃)₂

Zinc (ll) Nitrate

500

Name this ionic compound.

KMnO₄ 

Potassium Permanganate

Stoichiometry

100

Calculate the amount of each product if there is excess sulfur and 1.90 Moles of Methane.

2CH₄ + S₈ -> 2Cs₂ + 4H₂S

1.90 mol Cs₂

3.8 mol H₂O

200

You have 50g of both reactants, what are the limiting and excess reactants?

2AgNO₃ + K₂CrO₄ -> Ag₂CrO₄ + 2KNO₃

Limiting - AgNO₃

Excess - K₂CrO₄

300

What are the first two steps when solving a stoichiometry equation?

Write and balance the equation.

400

How many grams of Cobalt(III) Oxide can be produced when you have 24.5g of Cobalt(II) Oxide and 2.58g of Oxygen gas?

4CoO + O₂ -> 2Co₂O₃

26.54g of Co₂O₃

500

If you have 40g of both reactants, how much hexafluoride could be produced? Also, find the excess.

6HF +SiO₂ -> H₂SiF₆ + 2H₂O

47.55g H₂SiF₆

20.17g Left