Y9 chemistry

A chain of repeating units (called monomers)

• monomer

• dimer

• replicate

• polymer

Proteins are composed of what smaller subunits?

• amino acids
• nucleic acids
• fatty acids
• nucleotides

What are the monomers of DNA?

• glycerols
• amino acids
• fatty acids
• nucleotides

Define polymer

• circular molecule made with many repeating units

• short molecule made of a few repeating units

• long, chain-like molecule made of repeating units

• chain-like molecule that contains hydrogen and oxygen

What is the process to make long polymer (plastic) chains?

• Fractional Distillation

• Curing

• Fracking

• Polymerization

What kind of chemical bonds create polymers?

• ionic

• covalent

• hydrogen

• metallic

Which elements create covalent bonds?

• metals

• metalloids

• nonmetals

• transition metals

Polymers are material made up of repeating units called...?

• monomers

• monochromes

• electrons

• elastomers

The word polymer comes from the Greek meaning...?

• bonded together

• many parts

• together by choice

• twisted

A polymer made in the laboratory (or industry) usually made from petrochemicals

• nature polymer

• natural polymer

• protein

• synthetic polymer