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How does the reactivity of the metals va...

How does the reactivity of the metals vary in a group?

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MBD-PERIODIC CLASSIFICATION OF ELKHOENTS-EXAMPLE
  1. How is metallic character of an element defined? How does the melallic...

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  2. Why do the elements present in a group show similar chemical propertie...

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  3. How does the reactivity of the metals vary in a group?

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  4. Name the elements present in the second period. Give their electronic ...

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  5. Why do not the elements present in period show same valency?

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  6. The metallic character of the elements in a period decreases from left...

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  7. Give symbols for: a metal belonging to second group of the periodic ta...

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  8. Give symbols for:A metal belonging to the third group of the periodic ...

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  9. Give symbols for: two non-metals belonging to the halogen family.

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  10. Write electronic structures of:potassium

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  11. Write electronic structures of: lithium

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  12. Write electronic structures of: fluorine

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  13. Name two other elements which are in the same family as (i) carbon (II...

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  14. Carbon (atomic number 6) and silicon(atomic number 14) are elements in...

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  15. Sodium and aluminium have atomic numbers of 11 and 13 respectively the...

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  16. Give the atomic number and electronic disribution of: The thrid alkali...

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  17. Give the atomic number and electronic disribution of: The secound alka...

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  18. Give the atomic number and electronic disribution of: The first haloge...

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  19. Give the atomic number and electronic disribution of: the second noble...

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  20. Observe the following elements in the modern periodic table?

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