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प्रश्न
Fill in the blank
The nature of oxide Al2O3 is ____
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उत्तर
The nature of oxide Al2O3 is amphoteric.
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संबंधित प्रश्न
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 B is Zero.
Fill in the blank
Energy released when electron is added to a neutral gaseous atom is called ______.
Arrange the following in increasing order of property indicated
F, Cl, Br, I (electron affinity)
What is electron affinity?
The following questions refer to the Periodic Table.
Which of the elements has the greatest electron affinity among the halogens?
Choose the correct answer:
Among the period 2 elements the one which has high electron affinity is
Among the Period 2 elements, the element which has high electron affinity is
Neon shows zero electron affinity due to ______.
Among period 2 elements A, B, C and D, the one which has highest electron affinity is ______.
