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Properties Determining Metallic and Non-metallic Character

The electron ...

Question

The electron affinity of elements _____ down a group.

A

increases

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B

increases or decreases

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C

remains same

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D

decreases

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Solution

The correct option is D
decreases

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Similar questions

Q. Fill in the blanks from the choices given below:
(i) Across a period, the ionisation potential __________ (increases, decreases, remains same).
(ii) Down the group, electron affinity _________ (increases, decreases, remains same).

Q. Choose the correct answer:
With reference to the variation of properties in the Periodic Table, which of the following is generally true?
(a) Atomic size increases from left to right across a period.
(b) Ionisation potential increases from left to right across a period.
(c) Electron affinity increases going down a group.
(d) Electronegativity increases going down a group.

The electron affinity of elements _____ down a group.

Among group 15 elements, the one having a negative electron affinity is:

Q. What is electron affinity? The electron affinity values of three elements A, B and C of a group are 324, 295 and 333 kJ mol^-1. Arrange these in increasing order of their atomic masses.

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