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प्रश्न
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:
पर्याय
Goes up and then down
Decreases and then increases
Increases
Decreases
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उत्तर
Increases
संबंधित प्रश्न
The energy released when an electron is added to a neutral gaseous isolated atom to form a negatively charged iron.
An element in period 3, whose electron affinity is zero:
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.
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 ____
Fill in the blank
Noble gases have ______ electron affinity.
State whether the following statement is true or false
The elements with higher electron affinity have higher ionization potential.
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?
In Period 3 of the Periodic Table, element B is placed to the left of element A. On the basis of this information, choose the correct word from the option to complete the following statement:
The element A would probably have ______ electron affinity than B.
