Biochemistry 0.0 / 5 ? BiologyUniversityOther Created by: NaturAliceCreated on: 19-12-12 18:11 Name 4 chemicals that make up the majority of organic compounds Water, methane, ammonia and hydrogen 1 of 8 Which 4 chemical elements are most abundant in the body? Carbon, nitrogen, oxygen and hydrogen 2 of 8 What is relative molecular mass and how is it calculated? How many grams per mole of substance 3 of 8 What is a mole? An amount of substance with 6.02x10^23 molecules. (differs according to Mr) 4 of 8 How much water would a 1M solution contain if 2M of subtance was added? 2 litres - there is always 1l per mole. 5 of 8 What is a covalent bond? Give an example When 2 molecules share an electron e.g. a peptide bond 6 of 8 Name 3 types of non-covalent bonding Hydrogen, electrostatic, Van der Waals 7 of 8 Which type of non-covalent bonding occurs when a substance dissolves in water? hydrogen bonding 8 of 8
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