3.1.1 Monomers and Polymers

Question 1

Covalent Bonding

Answer 1

Atoms share a pair of electrons in their outer shell (to result in full outer shells = more stable, forms a molecule)

Question 2

Ionic Bonding

Answer 2

• electrostatic attraction between oppositely charged ions
• Weaker than covalent bonds

Question 3

Hydrogen Bonding (define polar molecules)

Answer 3

• Polar molecule: A molecule with an uneven distribution of charge (electrons)
• The negative region of one molecule and the positive region of another molecule attract one another, and an electrostatic bond from between them
• Individually weak, but collectively strong

Question 4

Bonding in terms of strength

Answer 4

1. Covalent Bonding
2. Ionic Bonding
3. Hydrogen Bonding

Question 5

Monomers

Answer 5

Small sub-units from which larger molecules are made

Question 6

Polymers/macromolecules

Answer 6

Molecules made from large monomers joined together

Question 7

Polymerisation

Answer 7

The process by which monomers join together to form a polymer

Question 8

Examples of monomers

Answer 8

• Monosaccharides
• Amino acids
• Mononucleotides

Question 9

Condensation reaction

Answer 9

• Joins 2 molecules together with the formation of a chemical bond
• Involves the elimination of a water molecule

Question 10

Hydrolysis Reaction

Answer 10

• Breaks a chemical bond between 2 molecules
• Involves the use of a water molecule