Question

5).
The first ionisation energies of alkaline
earth metals are higher than those of
the alkali metals. This is because
[MP PET 1996]
(a) There is increase in the nuclear
charge of the alkaline earth metals
(b) There is a decrease in the nuclear
charge of the alkaline earth metals
(c) There is no change in the nuclear
charge
(d) None of the above​

Answer 1

Answer:

There is increase in the nuclear charge of the alkaline earth metals.

So (a) is the correct answer

Answer 2

Answer:

There is increase in the nuclear charge of the alkaline earth metals.

So (a) is the correct answer

Explanation: