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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
Arrange the following as per the instruction given in the brackets:
He, Ar, Ne (Increasing order of the number of electron shells)
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.
Fill in the blank
Noble gases have ______ 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?
Down the group, electron affinity ______.
The changes in the properties of elements on moving from left to right across a period of the Periodic Table. For the property, choose the correct answer.
The electron affinity of elements in groups 1 to 7:
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.
