The human body's daily functions are based on what?
Study of substances that contain carbon
Branch of chemistry dealing with compaounds that do not contain carbon
Any substance that occupies space
What is the simplest form of matter?
Structural units that make up elements
How are Molecules formed?
Joining two or kore atoms chemically
There are BLANK types of molecules, what are they?
2, Elemental Molecule and Compond Molecule
Contains two or more atoms of the same element that are united chemically.
Compound Molecules are also called BLANK?
Chemical combination of two or more atoms of different elements that are united chemically.
Suspensions are made up of
Uniform mixtures of two or more substances
droplets of oil are dispersed in water
Miscible, clear, stable mixture with small particles.
slightly miscible, clouidy, unstable mixture with larger particles.
Immiscible, solid colored, limited stability with the largest particles.
two types of chemical reactions that are important to estheticians are
acid-alkali oxidation and reduction
a liquid state of matter has
definite size, but not a definite shape
anything below 7 on the pH scale is considered
Change of state
when ice melts and forms water, or when water turns to steam.
is the protective barrier of the skin
how do antioxidants prevent oxidation from occuring?
by neutralizing free radicals
molecules are made up of
two or more atoms that are chemically joined together
change in the state of a substance, without the formation of a new substance
Physical Properties are
color, odor, and weight
on a pH scale a change of one whole number represents
a tenfold change in pH
Immiscible substances are
not mutually soluble
the skin is made of
gaseous mixture that makes up the earth's atmosphere.
used to emulsify oil and water to create an emulsion.