Question

electrons affinity: options a)increase along period and decrease along the group. b)decrease along period and increase along group. c)no change alon group and period, d)increase along period and increase along group
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Answer 1

Explanation:

Chemistry

The electron affinity increases on moving from left to right along a period. Arrange the reasons in a proper sequence.

(a) The amount of energy released during the addition of an electrons increases from left to right along a period.

(b) Effective nuclear charge of the elements increases from left to right.

(c) The atomic size of the elements decreases from left to right.

(d) The tendency to gain electrons and form anion increases from left to right.

Answer 2

Answer:

A) increases along the period and decreases down the group.

Explanation:

Electron affinity increases across a period and decrease down the group.