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Which is largest among Ca^(+2), Mg^(+2) ...

Which is largest among `Ca^(+2), Mg^(+2) , Ba^(+2)` and why?

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`Ba^(+2)` is largest among `Ca^(+2) , Mg^(+2) , Ba^(+2)`, as barium is lowest in the periodic table.
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PATHFINDER-PERIODIC CLASSIFICATION OF ELEMENTS AND PERIODIC PROPERTIES-QUESTION BANK
  1. To which block does the element with atomic number 50 belong?

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  2. Arrange the increasing order of atomic radii Li, Na, K.

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  3. Which is largest among Ca^(+2), Mg^(+2) , Ba^(+2) and why?

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  4. Which of the elements Na, Mg, Si and P have the geatest difference bet...

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  5. Why Gr-17 elements acts as good oxidising agent?

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  6. Arrange Cl, Cl^- , Cl^+ in the increasing order of size?

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  7. How does metallic character vary in the group and period?

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  8. State the decreasing order of the penetration power of orbitals.

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  9. An element has on atomic number = 53. State its position in the Period...

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  10. The Reason for diagonal relationship is -

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  11. The order of ionic redius of N^(3-), O^(2-), F^- and Na^+ is -

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  12. What are actinones?

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  13. The elements A, B and C have atomic numbers Z -2, Z and Z +1 respecive...

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  14. The elements A, B and C have atomic numbers Z -2, Z and Z +1 respecive...

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  15. Why do transition elements have a greater tendency to form co-ordinate...

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  16. Give four defects of 'Mendeleev's periodic table.

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  17. Consider the following species. N^(3-) , O^(2-) , Na^+ , Mg^(+2) , Al...

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  18. Consider the following species. N^(3-) , O^(2-) , Na^+ , Mg^(+2) , Al...

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  19. First I.P. of Be is greater than B.

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  20. First I.P. of N is greater than O Explain.

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