Measurement, Problem Solving, and the Mole
The Units of Measurement
Units are quantities used to specify measurements,
which are critical in chemistry.
The two most common unit systems are as follows:
Metric system, used in most of the
Kim Shih Ph.D.
Law You can see right or wrong or summarizes a series of
related observations such as Boyle law, Charles Law
Theory A general explanation for why things in nature
Model of the Atom
The Atomic Model that Explains the Strange Behavior
Scientists in early 20th century discovered the following:
Microscopic matter (such as electron) behaved MUCH different
Periodic Properties of the
In 1869, Mendeleev noticed that certain
groups of elements had similar properties.
He found that when elements were listed in
order of increasing mass, these similar
properties recurred i