Chapter 2 Chemistry
Notes & Vocabulary
Second- The base unit for time.
Meter- The base unit for length.
Kilogram- Base unit for mass.
Derived Unit- A unit that is defined by a combination of base units.
Liter- The metric unit for volume equal to one cubic decimeter.
Density- is a ratio that compares the mass of an object to its volume.
Kelvin- is the SI base unit for temperature.
Scientific notation- expresses numbers as a multiple of two factors: a number between 1 and 10; and ten raised to a power, or exponent.
Conversion factor- is a ratio of equivalent values used to express the same quantity in different units.
Dimensional analysis- is a method of problem-solving that focuses on the units used to describe matter.
Accuracy- refers to how close a measured value is to an accepted value.