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प्रश्न
Explain the following:
Halogens have a high electron affinity.
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उत्तर
The atomic size of halogens is very small. The smaller the atomic size, the greater the electron affinity, because the effective attractive force between the nucleus and the valence electrons is greater in smaller atoms, and so the electrons are held firmly.
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संबंधित प्रश्न
Arrange the elements of group 17 and group 1 according to the given conditions.
Increasing electron affinity
An element in period 3 whose electron affinity is zero.
Arrange the following according to the instruction given in the bracket:
F, B, N, O (In the increasing order of electron affinity).
Why is the electron affinity of fluorine less than chlorine?
Fill in the blank
The nature of oxide Al2O3 is ____
State whether the following statement is true or false
Al2O3 is an amphoteric oxide.
The following questions refer to the Periodic Table.
Which of the elements has the greatest electron affinity among the halogens?
The electron affinity of an element X is greater than that of element Y.
How is the oxidising power of X likely to compare with that of Y?
Among period 2 elements A, B, C and D, the one which has highest electron affinity is ______.
