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प्रश्न
Arrange the following as per instruction given in the bracket.
Cl, F, Br, I (increasing electron affinity)
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उत्तर
In a group, Electron Affinity increases from top to bottom.
F < Cl < Br < I
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संबंधित प्रश्न
Element X is a metal with a valency 2, Y is 3 non- metal with a valency 3.
1) Write an equation to show how Y from an ion.
2) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
Choose the correct answer from the options given below:
If an element A belongs to Period 3 and Group II, then it will have
A. 3 shells and 2 valence electrons
B. 2 shells and 3 valence electrons
C. 3 shells and 3 valence electrons
D. 2 shells and 2 valence electrons
Explain the following:
Halogens have a high electron affinity.
Arrange the elements of group 17 and group 1 according to the given conditions.
Increasing electron affinity
Fill in the blank
Energy released when electron is added to a neutral gaseous atom is called ______.
Fill in the blank
The nature of oxide Al2O3 is ____
Arrange the following in increasing order of property indicated
F, Cl, Br, I (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.
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?
Among period 2 elements A, B, C and D, the one which has highest electron affinity is ______.
