A Level Mole Concept

Question 1

Atomic mass meaning

Answer 1

Atomic mass of an isotope is the weighted average mass of the isotopes of that element relative to 1/12 the mass of an atom of 12C

Question 2

Molecular mass

Answer 2

Molecular mass of an element or compound is the mass of the element/compound relative to 1/12 the mass of a 12C atom

Question 3

Isotopic mass

Answer 3

Isotopic mass is the

Question 4

Formula mass

Answer 4

Formula mass of a compound is the mass of that compound relative to 1/12 the mass of a 12C atom

Question 5

Empirical formula