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, What is the origin of the word The word 'polymer' is derived from Greek, where
'polymer'? 'poly' means many and 'mer' means unit or part.
What is a monomer? A single repeating unit that can join together to form
a polymer.
What is the degree of polymerization The average number of monomer units in a polymer
(DP)? chain.
What is the difference between a A homopolymer is made from one type of
homopolymer and a copolymer? monomer, while a copolymer is made from two or
more different monomers.
What are the two types of isotopes? Stable isotopes, which do not emit radiation, and
unstable isotopes, known as radioisotopes, which
do emit radiation.
What is the atomic number? The number of protons in the nucleus of an atom.
What is the mass number? The total number of protons and neutrons in an
atomic nucleus.
What is an ion? An atom or group of atoms that has an electric
charge.