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PATHFINDER-PERIODIC CLASSIFICATION OF ELEMENTS AND PERIODIC PROPERTIES-QUESTION BANK
- What are the definite gaps of atomic numbers in a group?
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- An element is present in the third period of p-block. It has 5 electro...
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- What is the modern name of the element 'ekaboron' as predicted by Mend...
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- Write down the electronic configuration of the outermost electronic or...
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- The electronic configuration of an elements is[Ar]3d^8 4S^2 . Name the...
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- Namea transition metal which is used as catalyst.
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- Arrange mg, A1, Si and Na in the increasing order of their lonisation...
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- Mention one similarity in property of Li and Mg which are diagonally r...
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- Why are the most of the atoms or ions of transition elements paramagne...
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- With what types of elements a period of the periodic table starts and ...
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- Mention one similarity in atoms of the elements belonging to the same ...
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- Arrange the different sub-energy levels in the decreasing order of scr...
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- Mention a property whhich is not periodic property of elements.
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- Arrange Mg^2+ , O^2- , Na^+ and F^- in the descending order of their i...
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- Which one of the iso-electronic ions K^+ , Cl^- , S^(2-) and Ca^(2++) ...
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- Which important property did Mendeleev use to classify the elements in...
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- Fourth period has 18 elements and not 52. Explain.
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- Give the general electronic configuration of 's' and 'p'-block element...
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- What are 'transition' elements?
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- What do you mean by 'inner-transition elements'?
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