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प्रश्न
State whether the following statement is true or false
Al2O3 is an amphoteric oxide.
पर्याय
True
False
उत्तर
True
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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]
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.
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.
State the factors on which electron affinity depends ?
Why is the electron affinity of fluorine less than chlorine?
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.
In a period, increase in electron affinity increases ______.
On descending a group, ______ in ionisation potential as well as electron affinity ______ oxidising capacity.
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.
