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MODERN PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES -REVISION EXERCISE (FILL IN THE BLANKS QUESTIONS)
- Give general electronic configuration of d-block elements.
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- The element with highest electronegativity is
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- An element of group 13 which forms basic oxide is…………………….
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- All lanthanoids and actinoids belong to .......... Block of elements.
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- During the addition of second electron to oxygen, energy is ..........
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- The outer electronic configuration of an element with atomic number 10...
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- The IUPAC name of undiscovered element with atomic number 122 is ........
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- The element having the configuratino : (n-1) d ^(2) ns ^(2) for n =4 b...
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- The p-block has ……….columns and d-block has …………. Columns in the perio...
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