In retrospect, the
a science that deals with the structure and properties of substances and with the changes that they go through. : the structure and properties of a substance : the ...
The science of the composition, structure, properties, and reactions of matter, especially of atomic and molecular systems. 2. The composition, structure ...
the branch of science concerned with the substances of wh...
Any freshman text will
A chemist at work in her
Time-saving video on the
Known as the central science,