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प्रश्न
State whether the following statement is true or false
Al2O3 is an amphoteric oxide.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Draw an electron dot diagram to show the formation of the following compound:
Methane
[H = 1, C = 6]
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.
Arrange the elements of second period in increasing order of their electron affinity. Name the elements which do not follow the trend in this period.
Arrange the elements of group 17 and group 1 according to the given conditions.
Increasing electron affinity
Why is the electron affinity of fluorine less than chlorine?
Arrange the following in increasing order of property indicated
F, Cl, Br, I (electron affinity)
Explain
Halogens have high electron affinity.
The following questions refer to the Periodic Table.
Which of the elements has the greatest electron affinity among the halogens?
The electron affinity of an element X is greater than that of element Y.
State whether X is likely to be placed to the left or to the right of Y in the periodic table.
State electron affinity unit.
