DEFINTIONS

Question 1

What is the definition for relative atomic mass (RAM/Ar) of an element?

Answer 1

The Ar of an element is the average mass of its atoms, compared to 1/12 th of the mass of 12C atom (carbon atom)

Question 2

FIRST IONISATION ENERGY

Answer 2

Energy needed to remove one electron from each atom in one mole of gaseous atoms to form 1 mole of gaseous 1+ ions