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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
उत्तर
Increases
APPEARS IN
संबंधित प्रश्न
Electron affinity values generally _______ across the periods left to right and ______ down the group top to bottom.
Give reason:
Electron affinity of halogens is comparatively high ?
Which has higher E.A. fluorine or Neon?
An element in period 3, whose electron affinity is zero:
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 B is Zero.
Fill in the blank
Energy released when electron is added to a neutral gaseous atom is called ______.
What is electron affinity?
Among the Period 2 elements, the element which has high electron affinity is
In a period, increase in electron affinity increases ______.
The electron affinity of an element X is greater than that of element Y.
How is the electronegativity of X likely to compare with that of Y?
