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प्रश्न
The changes in the properties of elements on moving from left to right across a period of the Periodic Table. For the property, choose the correct answer.
The electron affinity of elements in groups 1 to 7:
पर्याय
Goes up and then down
Decreases and then increases
Increases
Decreases
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उत्तर
Increases
APPEARS IN
संबंधित प्रश्न
Arrange the elements of second period in increasing order of their electron affinity. Name the elements which do not follow the trend in this period.
State the factors on which electron affinity depends ?
Arrange the elements of group 17 and group 1 according to the given conditions.
Increasing electron affinity
Arrange the elements of group 17 and group 1 according to the given conditions.
Increasing electron affinity
A, B, C are three elements in which B is an inert gas other than helium.With this information complete the following table.
| Element | Atomic number | No. of electrons in the valence shell | Group to which the element belongs |
| A | Z - 1 | ||
| B | Z | ||
| C | Z + 1 |
Also, explain the following : Electron affinity of element A is more than that that of element C.
With reference to the variation of properties in the Periodic Table, which of the following is generally true?
Electron affinity increases going down a group.
Among the Period 2 elements, the element which has high electron affinity is
Arrange the following as per instruction given in the bracket.
Cl, F, Br, I (increasing electron affinity)
On descending a group, ______ in ionisation potential as well as electron affinity ______ oxidising capacity.
Neon shows zero electron affinity due to ______.
