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प्रश्न
The electron affinity of an element X is greater than that of element Y.
State whether X is likely to be placed to the left or to the right of Y in the periodic table.
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उत्तर
X is to the right side of Y as electron affinity increases from left to right in a period.
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.
Define the term ‘electron affinity’.
An element in period 3, whose electron affinity is zero:
F, B, N, O (In the increasing order of electron affinity)
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 element A is more than that that of element C.
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)
Choose the correct answer:
Among the period 2 elements the one which has high electron affinity is
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?
