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प्रश्न
Among the Period 2 elements, the element which has high electron affinity is
पर्याय
Lithium
Carbon
Chlorine
Fluorine
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उत्तर
Fluorine
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संबंधित प्रश्न
Define the term ‘electron affinity’.
Electron affinity values generally _______ across the periods left to right and ______ down the group top to bottom.
Why is the electron affinity of fluorine less than chlorine?
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
The nature of oxide Al2O3 is ____
State whether the following statement is true or false
Al2O3 is an amphoteric oxide.
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.
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:
Neon shows zero electron affinity due to ______.
Arrange the following as per instruction given in the bracket.
Cl, F, Br, I (increasing electron affinity)
