This is an Honors Chemistry assignment. It is a concept map consisting of every key term in the chapter, as well as illustrations to compliment the words.
Molecules are a bonded
collection of two or more
atoms of the same element
or different elements.
Atoms are the smallest
unit of an element that
maintains the properties
of that element.
Mass and Matter
Mass is a measure of the
quantity (amount) of
matter in an object.
Matter is anything that has
mass and occupies space.
Matter has four states.
State 1: Solid - Has a
definite (fixed)
shape and volume
(cannot flow).
State 2: Liquid -
Definite volume but
takes the shape of its
container (flows).
State 3: Gas - Has
neither fixed
shape nor fixed
volume (flows).
State 4: Plasma - High
temperature, ionized
phase of matter as found
on the sun and other stars.
Physical And Chemical
Properties and Changes:
A Physical Property is a
characteristic of a substance that
can change without the substance
becoming a different substance.
A Chemical Property is The
ability of a sub-stance to change
to a different substance.
A Physical Change is a change
in the form of a substance, but
not in its chemical nature;
chemical bonds are not broken.
A Chemical Change is a
change of substances
through a reorganization
of the atoms to
fundamentally different
substances; a chemical
reaction..
Pure Substances
A substance with
constant
composition.
Element
A pure substance made of
only one kind of atom.
Compound
A substance with constant composition that
can be broken down into elements by
chemical processes. A compound always
contains atoms of different elements.
Mixtures
A material of variable composition that contains two or more
substances. While the composition of a mixture may vary, the
composition of its compounds will always stay the same.
Types of Mixtures
Homogeneous Mixtures are
mixtures that are the same
throughout; a solution.
Heterogeneous Mixtures are
mixtures that have different
properties in different regions of the
mixture.
Alloys are substances that
contains a mixture of elements
and has metallic properties.
Separation of Mixtures
Distillation is a method for separating the
components of a liquid mixture that depends on
the differences in the boiling points (ease of
vaporization) of the components. This is usually
done when the mixture is a solution
(homogeneous).
Filtration is a method for
separating the components of a
mixture containing a solid (not
dissolved/heterogeneous) and a
liquid.