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Questions and Answers
Which type of polymer consists of relatively long sequences of identical monomeric units?
What is the term for a polymer that consists of a mixture of more than one type of monomer?
Which type of polymer softens on heating and can be converted to any shape by molding?
What is the term for a polymer in which the side groups of the monomers are arranged on the same side of the chain?
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Which type of polymer softens on heating, but does not become plastic and moldable?
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What is the meaning of the word 'polymer'?
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What is the degree of polymerization?
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Which type of polymer includes proteins, cellulose, and silk?
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What is the main difference between natural and synthetic polymers?
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What is the role of about 80% of today's chemists, including biochemists?
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Study Notes
Types of Polymers
- Homopolymer: consists of relatively long sequences of identical monomeric units
- Copolymer: consists of a mixture of more than one type of monomer
Physical Properties of Polymers
- Thermoplastic: softens on heating and can be converted to any shape by molding
- Isotactic polymer: a polymer in which the side groups of the monomers are arranged on the same side of the chain
- Thermoset: softens on heating, but does not become plastic and moldable
Definition and Terminology
- Polymer: a large molecule composed of many smaller molecules (monomers) bonded together
- Degree of polymerization: the number of monomer units in a polymer chain
Natural Polymers
- Biopolymer: includes proteins, cellulose, and silk
Natural vs Synthetic Polymers
- Main difference: source of origin (natural: occurs in nature, synthetic: produced by humans)
Role of Chemists
- About 80% of today's chemists, including biochemists, work on developing and improving polymers
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Description
Test your knowledge of the basic concepts of polymer chemistry with this quiz. Learn about the structure, formation, and properties of polymers.