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Alkali earth metals have valency 2.this ...

Alkali earth metals have valency 2.this means that their position in the Modern periodic table is in_____

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BAL BHARTI-PERIODIC CLASSIFICATION OF ELEMENTS-Exercise
  1. Rearrange the columns 2 and 3 so as to match with the column 1:

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  2. The number of electrons in the outermost shell of alkali metals is

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  3. Alkali earth metals have valency 2.this means that their position in t...

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  4. Molecular formula of the chloride of an element X is XCI. This compoun...

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  5. In which block of the modern periodic table are the non-metlas present...

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  6. An element has its electron configuration as 2,8,2. Answer the followi...

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  7. An element has its electron configuration as 2,8,2. Answer the followi...

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  8. An element has its electron configuration as 2,8,2. Answer the followi...

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  9. An element has its electron configuration as 2,8,2. Answer the followi...

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  10. Write down the electronic configuration of the following elements from...

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  11. Write down the electronic configuration of the following elements from...

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  12. Write down the electronic configuration of the following elements from...

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  13. Write down the electronic configuration of the following elements from...

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  14. Write down the electronic configuration of the following elements from...

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  15. Write down the electronic configuration of the following elements from...

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  16. Write down the electronic configuration of the following elements from...

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  17. Write down the electronic configuration of the following elements from...

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  18. The atom having the smallest size.

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  19. The atom having the smallest atomic mass .

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  20. Write the name and symbol of the element from the description. The m...

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