Physical or Chemical
The Periodic Table
Conversion Factors
Concentration Units
Types of Reactions
100
A physical or chemical change: water freezes.
What is physical?
100
The elements on the Periodic Table are arranged according to this from the top-left corner to the bottom-right corner.
What is the atomic number or number of protons (of each element)?
100
Converting from kilometers to meters.
What is 1000 m / 1 km?
100
Moles of solute divided by the volume of solution in liters.
What is molarity?
100
A + B --> AB
What is synthesis (or composition or combination)?
200
A physical or chemical change: table salt dissolves in water.
What is physical?
200
This is what a column of elements called.
What is a group (or family)?
200
Converting from grams of H2O to moles.
What is 18.0 grams per mole?
200
This concentration unit always has a denominator of exactly one billion.
What is ppb (parts-per-billion)?
200
MgCO3 --> MgO + CO2
What is decomposition?
300
A physical or chemical change: alcohol burns.
What is chemical?
300
The elements forming +2 charged cations because of their ns^2 (where n = 1, 2, 3, etc.) valence electron configurations are known by this name.
What are the alkaline earth metals?
300
Converting from volume to mass of a substance.
What is the density (of the substance)?
300
Mass in grams divided by the volume of solution in milliliters multiplied by 100.
What is the w/v percent?
300
Exothermic or endothermic: A + Heat --> B + C
What is endothermic?
400
The heat of vaporization describes this aspect of the physical change as a liquid turns into a gas.
What is the amount of heat added per gram (or per mole) of the substance?
400
These metals have valence electrons in the d-orbitals.
What are the transition metals?
400
Converting from volume of a solution to moles of solute.
What is the molarity (or molar concentration) of the solution?
400
The answer is in this unit when (0.100 M) x (50.0 mL) = (M_conc) (5.00 mL) is solved.
What is molar (or mol/L)?
400
Acid-base or precipitation: HNO3 + H2O --> H3O+ + NO3-
What is acid-base (reaction)?
500
A physical or chemical change: N2O4 --> 2 NO2
What is chemical?
500
These metals have valence electrons in the f-orbitals.
What are the inner transition metals?
500
Converting from grams of a compound to number of molecules of the compound (i.e., name the two conversion factors).
What are the molar mass (of the compound) and the Avogadro's number?
500
When the molarity and the volume in liters of a solution are multiplied, this quantity results.
What is the number of moles of solute?
500
Acid-base or precipitation: Ag+ + Cl- --> AgCl
What is precipitation?
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