Atoms & Ions
Compounds
Chemical Reactions
Moles & Molar Mass
Lab Safety
100
How many electrons are in selenium?
34
100
Name this compound: NaCl
sodium chloride
100
Name this reaction type: 
Formation reaction
100
What is the molar mass of KBr?
119.00 g/mol
100
Name 4 pieces of PPE (personal protective equipment) worn in a science lab
lab coat, goggles, gloves, closed toe shoes, hair tie
200
What noble gas electron configuration is the strontide ion trying to achieve?
krypton
200
Name this compound: S3O2
trisulfur dioxide
200
Finish the reaction:
Mg + CuSO4 --> ______ + ______
Cu + MgSO4
200
Calculate the mass of 2.54 moles of barium fluoride.
445 g
200
Identify the proper procedure for breaking glassware in the lab
Notify the teacher, dispose of glass in designated glass waste container
300
What is the difference between lead (II) and lead (IV)?
Lead (II) has only lost 2 electrons to have a 2+ charge, whereas lead (IV) has lost 4 electrons to have a 4+ charge.
300
Write the chemical formula for lead (IV) nitrite
Pb(NO2)4
300
Balance the following reaction: ___ H2SO4 + ___ Pb(OH)4 --> ___ Pb(SO4)2 + ___ HOH
2H2SO4 + Pb(OH)4 --> Pb(SO4)2 + 4HOH
300
Calculate the molar mass of the following compound: Ru(SO4)2 * 7 H2O
419.35 g
300
Name the following WHMIS symbol:
Health hazard
400
Draw the energy level diagram for Ca
See teacher
400
Write the chemical formula for nickel (II) hydrogen oxalate
Ni(HOOCCOO)2
400
What are the proper states of matter for each of the species in the following reaction?
Pb(NO3)2 + 2KI --> PbI2 + KNO3
Pb(NO3)2 = aq
KI = aq
PbI2 = s
KNO3 = aq
400
Calculate the number of moles of sodium chloride produced when 0.345 moles of chlorine react with sodium bromide.
0.690 moles
400
This shape of WHMIS symbol indicates the highest level of harm
octagon
500
Draw the energy level diagram for Fe3+
See teacher
500
Name the following compound: Ru(SO4)2 * 7 H2O
ruthenium (IV) sulfate heptahydrate
500
Identify the type of reaction as well as the specific subtype: 
Double replacement (neutralization)
500
If 3.24 g of copper reacts with sulfate, how many grams of copper (II) sulfate will form?
Cu + SO42- --> CuSO4
8.14 g
500
What are the documents that contain all necessary information about a chemical?
MSDS (Material Safety Data Sheets)