PERIODIC TABLE
CHEMICAL EQUATIONS
COMPOUNDS
STOICHIOMETRY
HIT OR MISS
100
This is the weight of cobalt.
What is 59?
Find colbalt on the periodic table and locate the weight under the element name.
100
This designates an aqueous solution.
What is (aq)
the substance is dissolved in water;placed after the formula
100
This is the molar mass of: BCl3
What is 117.3 grams?
Look up the elements and add up the weights to get the molar mass.
100
This is the Mole Ratio.
What is identify how many moles of product are formed from a certain amount of reactant?
100
This is used for stirring, mixing or heating liquids.
What is a beaker?
200
This is the biggest atomic radius of three elements: flourine, chlorine, and bromine.
What is bromine?
As you move across the periodic table the radius decreases and as you move down it increases.
200
This is balanced: Fe2O3 + H2 --> Fe + H2O.
What is 1 3 2 3?
Make sure each element has an equal amount of reactants on each side.
200
This is the name for the compound: Cu20
What is Copper (i) oxide?
When naming you don't have to use prefixes because both elements aren't above the staircase.
200
This is Avogadro's number.
What is the number of representative particles in a mole, 6.02 X 10^23?
200
This is the amount added to turn Celsius into Kelvin.
What is 273.
Add 273 degrees to any celsius temperature and it will convert into kelvin.
300
This is the electron configuration of carbon.
What is 1s2, 2s2, 2p2?
The big number= energy level
Letter= sublevel
Exponent= number of electrons in that sublevel
300
This is is the Net-ionic equation for: AgNo3 (aq) + NaCl (aq) --> AgCl (s) + NaNO3 (aq)
What is Aq+(aq) + Cl- (aq) --> AgCl (s)
Balance the atoms on each side of the reaction and the ionic charge on each side of the reaction in aqueous solutions.
300
This is the compound for Carbon DiOxide.
What is CO2?
There is only one Carbon and two Oxygen so you add a subscript to show there are two oxygens.
300
This is the amount of moles of Mg needed to react with 25 moles of P4.
What is 150mMg?
Start off with 25mP4 over 1 mMg and in the fraction next to it put 6mMg over 1mP4. Then multiply 25 and 6 and divide by 1.
300
This is the equation for percentage of yield.
What is Actual over theoretical multiplied by 100?
The number you got in the experiment over the correct number multiplied by 100.
400
This is the noble gas configuration of krypton.
What is [Ar]4s2,3d10,4p6?
With noble gas configuration, you place a noble gas in brackets with the remaining configuration of your atom.
400
This is the type of reaction for: C8H18O2 --> CO2 + H2O
What is combustion?
This is when the compounds have carbon and hydrogen in them.
400
This is the drawing for Magnesium Oxide.
You transfer the valence electrons from Mg to O so that oxygen has 8.
400
This is the complete balanced equation for the complete combustion of heptane, C7H16.
What is C7H16+ 11O2--> 7CO2+ 8H2O?
400
This is the equation for sulfuric acid.
What is H2SO4?
500
This is the number of valence electrons in neon.
What is 8?
Look at the group number from the periodic table.
500
This is the type of reaction for: HI --> H2+ I2.
What is decomposition?
A compound is broken down into two products.
500
This is the drawing for Dinitrogen TetraOxide.
You have 34 valence electrons to use. Make sure that each element gets 8. You may use double bonds.
500
The balanced equation of calcium carbide (CaC2) reacts with water to form calcium hydroxide (Ca(OH)2) and acetylene gas (C2H2).
What is CaC2 + 2 H2O --> C2H2 + Ca(OH)2?
500
This is the four ways to reach activation energy more quickly.
What is,
Increasing temperature
Decreasing particle size
increasing concentration
and adding catalyst?