Metals
Left side of the zigzag line in the periodic table (except for hydrogen)
Nonmetals
Right side of the zigzag line in the periodic table
Semimetals (metalloids)
Tend to lie along the zigzag line in the periodic table
Intensive Properties
Independent of sample size (temperature, melting point)
Extensive Properties
Dependent on sample size (length, volume)
Physical properties
Characteristics that do NOT involve a change in a sample's chemical makeup. Ex: Temperature, color, melting point, solubility, etc.
Chemical Properties
Characteristics that do involve a change in sample's chemical makeup. Ex: Rusting, combustion, etc.
Mass
Amount of matter in an object
Matter
Describes anything with a physical presence-anything you can touch, taste, or smell.
Weight
Measures the force with which gravity pulls on an object
Calculating Fahrenheit formula
Celsius formula
Kelvin formula
1 cm^3 = ?
1 mL
1 Ft = ?
12 inches
Density
mass/volume
Accuracy
How close to the true value a given measurement is.
Precision
How well a number of independent measurements agree with each other. Characterized by the standard deviation.
Significant figures rule for multiplication/division
The answer can't have more significant figures than any of the original numbers.
Sf rules for addition/subtraction
The answer can't have more digits to the right of the decimal point than any of the original numbers
Review questions for significant figures and conversion factors
In notes and mastering chemistry