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प्रश्न
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.
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उत्तर
| Element | Atomic number | No. of electrons in the valence shell | Group to which the element belongs |
| A | Z - 1 | ||
| B | Z | ||
| C | Z + 1 | 1 | 1 |
Since B is a noble gas element so its electron affinity is zero as its octet is complete.
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संबंधित प्रश्न
Define the term ‘electron affinity’.
State the factors on which electron affinity depends ?
Electron affinity values generally _______ across the periods left to right and ______ down the group top to bottom.
Give reason:
Electronegativity of chorine is higher than Sulphur?
Arrange the elements of group 17 and group 1 according to the given conditions.
Increasing electron affinity
Which has higher E.A. fluorine or Neon?
Explain
Halogens have high electron affinity.
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 electronegativity of X likely to compare with that of Y?
