Definition of Chemistry - Answers study of properties of materials and changes they undergo
The five major branches of chemistry - Answers Organic chemistry
Inorganic chemistry
Analytical chemistry
Physical chemistry
Biochemistry
Classifications of matter - Answers pure substance, mixture, homogeneous mixture,
heterogeneous mixture, element, compound
Law of constant composition (for compounds) - Answers A compound will always consist of
two or more pure substances
The difference between a physical and chemical property - Answers Physical Property:
measured without changing the substance
Chemical Property: how substance react or change to form different substances
The difference between a physical and chemical change - Answers Physical Change: substance
changes physical appearance without altering its identity
Chemical Change: substance transforms into a chemically different substance
The six types of phase changes - Answers freezing, melting, vaporization, condensation,
sublimation, vapor deposition
The difference between intensive and extensive properties - Answers Intensive Properties:
independent of the amount of the substance that is present (density, boiling point, color)
Extensive Properties: depend upon the amount of substance present (mass, volume, energy)
The 5 fundamental SI units of measurement - Answers kg, m, s, K, mol
How to convert between Kelvin and Centigrade temperatures; marker temperatures on both
scales in reference to water - Answers Celcius: water freezes at 0 degrees and boils at 100
degrees
K= C + 273.15
Volume - Answers volume = (units of length)^3
= m^3
, Density - Answers density = (mass/volume)
= g/cm^3 or G/mL
Giga - Answers G (10^9)
Mega - Answers M (10^6)
Kilo - Answers k (10^3)
Deci - Answers d (10^-1)
Centi - Answers c (10^-2
Milli - Answers m (10^-3)
Micro - Answers m^b (10^-6)
Nano - Answers n (10^-9)
Pico - Answers p (10^-12)
Precision - Answers how well measured quantities agree with each other
Accuracy - Answers how well measured quantities agree with the "true value"
Conversion factors - Answers desired unit = given unit x (conversion factor)
(desired unit) / (given unit)
H - Answers Hydrogen
Li - Answers Lithium
Na - Answers Sodium
K - Answers Potassium
Be - Answers Beryllium
Mg - Answers Magnesium
Ca - Answers Calcium
Sc - Answers Scandium
Ti - Answers Titanium