In group electron affinity values decreases from top to bottom because ______?

گروپ میں الیکٹران وابستگی کی قدریں اوپر سے نیچے تک کم ہوتی ہیں کیونکہ ______؟

Atomic size normal

Atomic size increases

Atomic size decreases

Atomic size same

As you move down a group in the periodic table, the atomic size increases.
This means that the outermost electrons are farther away from the nucleus, making it easier for the atom to gain an extra electron.
As a result, the electron affinity decreases down a group.