In chemistry matter is anything that takes up space and mass. Organic Chemistry is chemistry that is essential the study of all substances containing carbon. Organic chemistry was originally the study of substances from living organisms. Inorganic chemistry largely concerns substances without carbon. These are mainly substances from nonliving things.
Analytical chemistry is concerned primary with the composition of substances.
Finding minute minute quantities of a subtance in blood or unrine samples is practical analytical chemistry. Physical Chemistry is concerned with theories and experiments the desribe the behavior of chemicals. Biochemistry is the study of the chemistry of living organisms such as you and me. An Element is a substance that cannot be changed into a simpler substnace under normal laboratory conditions. Elements are organized in a periodic table by in order of thier similar properties.