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प्रश्न
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.
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उत्तर
| Element | Atomic number | No. of electrons in the valence shell | Group to which the element belongs |
| A | Z - 1 | ||
| B | Z | ||
| C | Z + 1 | 1 | 1 |
Since B is a noble gas element so its electron affinity is zero as its octet is complete.
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संबंधित प्रश्न
Draw an electron dot diagram to show the formation of each of the following compounds:
Methane
[H = 1, C = 6, Mg = 12, Cl = 17]
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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.
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Down the group, electron affinity ______.
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Arrange the following as per instruction given in the bracket.
Cl, F, Br, I (increasing electron affinity)
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The electron affinity of an element X is greater than that of element Y.
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Arrange the following as per instruction given in the bracket.
Cl, F, Br, I (increasing electron affinity)
