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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)
Choose the correct answer from the options given below:
If an element A belongs to Period 3 and Group II, then it will have
A. 3 shells and 2 valence electrons
B. 2 shells and 3 valence electrons
C. 3 shells and 3 valence electrons
D. 2 shells and 2 valence electrons
Define the term ‘electron affinity’.
Arrange the elements of group 17 and group 1 according to the given conditions.
Increasing electron affinity
The following questions refer to the Periodic Table.
Which of the elements has the greatest electron affinity among the halogens?
Arrange the following as per instruction given in the bracket.
Cl, F, Br, I (increasing electron affinity)
In a period, increase in electron affinity increases ______.
Neon shows zero electron affinity due to ______.
Among period 2 elements A, B, C and D, the one which has highest electron affinity is ______.
State electron affinity unit.
