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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
Draw an electron dot diagram to show the formation of each of the following compounds:
Magnesium Chloride
[H = 1, C = 6, Mg = 12, Cl = 17]
Give one word or phrase for the following:
The amount of energy released when an atom in the gaseous state accepts an electron to form an anion.
Give one word or a phrase:
The energy released when an electron is added to a neutral gaseous isolated atom to form a negatively charged ion.
Electron affinity values generally _______ across the periods left to right and ______ down the group top to bottom.
Arrange the elements of group 17 and group 1 according to the given conditions.
Increasing electron affinity
What is electron affinity?
The electron affinity of an element X is greater than that of element Y.
- How is the oxidising power of X likely to compare with that of Y?
- How is the electronegativity of X likely to compare with that of Y?
- State whether X is likely to be placed to the left or to the right of Y in the periodic table?
Among period 2 elements A, B, C and D, the one which has highest electron affinity is ______.
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.
