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BEYOND PUBLICATION-CLASSIFICATION OF ELEMENTS THE PERIODIC TABLE-EXERCISE
- The general electronic configuration of elements of p-block is represe...
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- In a table of elements, each element has similar properties with eight...
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- Which period starts with M main shell? Name the sub-shells in it? How ...
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- Which is easy to remove electron between the element having electronic...
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- For a element, the value of electron gain enthalpy is positive. Which ...
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- Element with electronic configuration 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4...
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- The element with atomic number 7 is found in
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- Moseley calculated the number of positive charges in the atoms by anal...
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- Elements with electronic configuration ns^1 and ns^2 are called
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- Atomic weight =
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- No. of groups in modern periodic table................
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- According to Mulliken, electronegativity =
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- Elements from ^(58)Ce to ^(71)Lu are called
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- Correct order of size
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- Electron affinity of Fluorine is less than that of Chlorine because
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- In dobereiner triad, the atomic weight of middle element is :
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- Which of the following relation is correct ?
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- 5f elements are called............
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- Periodicity is observed in periodic table due to reappearance of simil...
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- The formula of oxides and chloride of Eka-Silicon is
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