Page 39 - Encyclopedia of Chemical Compounds 3 Vols

Words to Know

ALLOTROPE A form of an element that is different from its
typical form, with a different chemical bond structure
between atoms.

AMIDE An organic compound that includes the CON group
bound to hydrogen.

AMINO ACID An organic compound that contains at least one
carboxyl group (-COOH) and one amino group (-NH 2 ).
They are the building blocks of which proteins are made.

ANALGESIC A substance the relieves pain.

ANHYDROUS Free from water and especially water that is
chemically combined in a crystalline substance.

ANION A negatively charged ion.

ANODE The electrode in a battery in which electrons are lost
(oxidized).

AROMATIC COMPOUND A compound whose chemical struc-
ture is based on that of benzene (C 6 H 6 ).
•
B

BIODEGRADABLE Something that can be easily broken down
by the action of bacteria.

BLOCK COPOLYMER A polymer composed of two or more
different polymers, each of which clumps in blocks of
identical molecules.

BORATE A salt that contains boron.

BRINE Salt water; water with a large amount of salt dissolved
in it, such as seawater or water used to pickle vegetables.

BYPRODUCT A product that is made while making something
else.

xxxviii CHEMICAL COMPOUNDS