Question

of elements in the same group those at the bottom of the periodic table have low ionization energies because of what?
(Can be multiple answers)

A. Layers of electron shells shield the protons attractive force
B. Their atomic radius is larger
C. They have fewer electron shells to shield the protons from the electrons
D. These elements are high in electronegativity

Answer 1

Hey Mate,

The Appropriate Answer For Your Question is Option - (A)

BECAUSE OF STRONG ATTRACTIVE FORCE BETWEEN ELECTION AND PROTON, THERE IS MUCH ENERGY REQUIRED TO REMOVE OR ACCEPT AN ELECTRON.

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Answer 2

C) option is the most appropriate.

When we go down the group, the size of atom increases due to which the shield effect of d and f orbital decreases. Hence, required less ionization enthalpy.