Easy
The element or elements whose position is anomalous in the periodic table is
- AHalogens
- B$Fe, Co$ and $Ni$
- CInert gases
- DHydrogen
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Write the drawbacks in Mendeleev's periodic table that led to its modification.
Which scientist used atomic volume as the basis for the periodic classification of elements?
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View SolutionMendeleev's periodic law states that the properties of elements are a periodic function of their
MediumKVPY 2015
View SolutionGiven below are the atomic masses of the elements:
Element $Li$ $Na$ $Cl$ $K$ $Ca$ $Br$ $Sr$ $I$ $Ba$ Atomic Mass $(g \cdot mol^{-1})$ $7$ $23$ $35.5$ $39$ $40$ $80$ $88$ $127$ $137$
Which of the following does not form a $Dobereiner's$ triad?
| Element | $Li$ | $Na$ | $Cl$ | $K$ | $Ca$ | $Br$ | $Sr$ | $I$ | $Ba$ |
|---|---|---|---|---|---|---|---|---|---|
| Atomic Mass $(g \cdot mol^{-1})$ | $7$ | $23$ | $35.5$ | $39$ | $40$ | $80$ | $88$ | $127$ | $137$ |
Which of the following does not form a $Dobereiner's$ triad?
MediumKCET 2025
View SolutionWhat is the basic difference in approach between the Mendeleev's Periodic Law and the Modern Periodic Law?
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