Level ONE (I)
• Write the correct formula for the following
compounds:
A. Triphosphorus Nonaselenide
B. Aluminum bromide
C. Cobalt (VI) Oxide
Level ONE (II)
• Predict and Balance the following chemical
equations:
A. Vanadium (VI) phosphate + Potassium sulfide

B. Lithium + Mercury (III) silicate 
Level TWO (I)
• Cesium chlorate decomposes to form cesium
chloride and oxygen gas. How many moles of
oxygen can be produced by decomposing 10
moles of Cesium chlorate?
Level TWO (II)
• When nitrogen gas reacts with hydrogen gas,
ammonia is produced. If 15 moles of ammonia
were produced, how many moles of nitrogen
gas would be required?
Level THREE (I)
• What mass of carbon monoxide must react
with oxygen to produce 5g of carbon dioxide?
Level THREE (II)
• How many molecules of sugar (C6H12O6) are
required to produce 1.82L of carbon dioxide
gas at STP from the reaction described by the
following equation:
C6H12O6  2C2H6O + 2CO2
Level THREE (III)
• How many liters of oxygen are necessary for
the combustion of 500 g of propane gas
(C3H8)?
Level THREE (IV)
• Determine the mass of sodium fluoride when
bubbling fluorine reacts with 12g of Sodium
chloride.
Level FOUR (I)
• If you were given 10 grams of ammonium
nitrate and 20 grams of rubidium phosphate,
1. determine the limiting reagent and excess
reagent
2. What is the maximum amount of each
product formed? (mol or mass)
• 3. How much of your excess is used up? Left
over? (grams)
Level FOUR (II)
• If you were given 12 grams of calcium chloride
and 18 grams of francium permanganate,
1. determine the limiting reagent and excess
reagent
2. What is the maximum amount of each
product formed? (mol or mass)
3. How much of your excess is used up? Left
over? (grams)