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प्रश्न
Choose the correct answer:
Among the period 2 elements the one which has high electron affinity is
विकल्प
Lithium
Carbon
Fluorine
Neon
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उत्तर
Fluorine
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संबंधित प्रश्न
Define the term ‘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.
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.
Explain
Halogens have high electron affinity.
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.
Down the group, electron affinity ______.
Arrange the following as per instruction given in the bracket.
Cl, F, Br, I (increasing electron affinity)
In a period, increase in electron affinity increases ______.
Among period 2 elements A, B, C and D, the one which has highest electron affinity is ______.
