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With reference to period 3 of the period...

With reference to period 3 of the periodic table - State:
The number of electrons in the penultimate shell of the element with valency -1.

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ICSE-PERIODIC TABLE (PERIODIC PROPERTIES AND VARIATION OF PROPERTIES)-UNIT TEST PAPER 1-Periodic Table
  1. In period 2, element 'A' is to the right of element 'B'. The element...

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  2. In period 2, element 'A' is to the right of element 'B'. Nuclear ch...

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  3. In period 2, element 'A' is to the right of element 'B'. If an elem...

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  4. With reference to period 3 of the periodic table - State: The type o...

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  5. With reference to period 3 of the periodic table - State: The formul...

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  6. With reference to period 3 of the periodic table - State: The nature...

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  7. With reference to period 3 of the periodic table - State: The numbe...

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  8. With reference to period 3 of the periodic table - State: The elect...

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  9. With reference to group 1 [IA] of the periodic table - fill in the bla...

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  10. Match the elements in column 'X' with the correct group they belong fr...

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  11. Give reasons for Occurrence of characteristic properties of elements...

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  12. Give reasons for Properties of elements are periodic functions of th...

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  13. Give reasons for Atomic size of an element depends on the nuclear ch...

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  14. Give reasons for Down a group electronegativity should increase with...

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  15. Give reasons for If combining atoms have nearly similar electronegat...

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  16. Arrange the element as per the guidelines in brackets. Na, Cl, Mg, P...

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  17. Arrange the element as per the guidelines in brackets. C, Li, F, N [...

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  18. Arrange the element as per the guidelines in brackets. CI, Al, Na, S...

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  19. Arrange the element as per the guidelines in brackets. Li, F, C, O[i...

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  20. Arrange the element as per the guidelines in brackets. Ar, He, Ne [i...

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