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PATHFINDER-PERIODIC CLASSIFICATION OF ELEMENTS AND PERIODIC PROPERTIES-QUESTION BANK
- 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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- Give the Electronic configuration and position of the elements in the ...
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- Why are the cations smaller than atom?
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- To which block does the element with atomic number 50 belong?
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- Arrange the increasing order of atomic radii Li, Na, K.
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- Which is largest among Ca^(+2), Mg^(+2) , Ba^(+2) and why?
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- Which of the elements Na, Mg, Si and P have the geatest difference bet...
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- Why Gr-17 elements acts as good oxidising agent?
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- Arrange Cl, Cl^- , Cl^+ in the increasing order of size?
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- How does metallic character vary in the group and period?
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- State the decreasing order of the penetration power of orbitals.
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