C2.1.1/2 - Rlt. Form Mass + Empirical

Question 1

Define relative atomic mass

Answer 1

Sum of masses of protons and neutrons
- Relative atomic mass (Ar) is mean mass of atom compared to 1/12 carbon

Question 2

Define relative molecular mass

Answer 2

Ratio of average mass of a single molecule of an element/compound

Question 3

Define relative formula mass

Answer 3

Average weight of masses of formula units

Question 4

Define empirical formula

Answer 4

Simplest ratio of atoms in each element of a compound