Atoms & Moles

Question 1

Relative isotopic mass

Answer 1

Mass of an isotope of an element compared to 1/12 mass of carbon 12

Question 2

Relative atomic mass

Answer 2

Weighted mean mass of an atom of an element compared to 1/12 the mass of a carbon-12 atom

Question 3

Concentration

Answer 3

How many moles of substance are dissolved per 1 dm^3 of solution

Question 4

Empirical formula

Answer 4

The smallest whole number ratio of atoms of each element in a compound

Question 5

Molecular formula

Answer 5

Actual number of atoms of each element in a molocule