Question

The first ionization energy of H atom (1318 KJ/mol) is much higher compared with Li atom (526 kJ/mole) even though the effective nuclear charge for H is 1.00 while that of Li as 1.30.

Answer 1

$\rm\huge\underline{Answer}$

the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.