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Give reasons for the following: Lithi...

Give reasons for the following:
Lithium atom is smaller than sodium atom.

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Electronic configuration of Li is 2, 1 and that of Na is 2, 8, 1. Since sodium has more number of shells thus, it has a large size.
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SWAN PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS -ADDITIONAL IMPORTANT QUESTIONS (Short Answer Type Questions)
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  2. Why group 17 elements form Uninegative Anions ?

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  3. Give reasons for the following: Lithium atom is smaller than sodium...

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  4. Give reasons for the following: Chlorine (atomic number 17) is more ...

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

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  6. The elements Li, Na and K, each having one valence electron, are in pe...

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  7. The elements Li, Na and K, each having one valence electron, are in pe...

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  8. The elements Li, Na and K, each having one valence electron, are in pe...

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  9. Four elements P, Q, R and S have atomic numbers 12, 13, 14 and 15 resp...

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  10. Four elements P, Q, R and S have atomic numbers 12, 13, 14 and 15 resp...

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  11. Four elements P, Q, R and S have atomic numbers 12, 13, 14 and 15 resp...

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  13. The element Be, Mg, Ca are placed in the second group of the periodic ...

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  14. The element Be, Mg, Ca are placed in the second group of the periodic ...

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  15. Table given below shows a part of the periodic table: Using this ...

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  16. Table given below shows a part of the periodic table: Using this ...

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  17. Table given below shows a part of the periodic table: Using this ...

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  18. Explain the following term- Sericulture

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