1.17 understand the use of the term mole to represent the amount of substance

A mole is a number just how a million is equal to 1,000,000 a mole is equal to 6.022 x 10²³

(This is also known as Avogadro's number)

1 mole of any element is equal to its RAM

e.g. water has a RAM of 18 and one mole of H2O weighs 18g