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Atomic symbols of the first 20 elements ...

Atomic symbols of the first 20 elements of the periodic table are jumbled.

Rearrange these elements in the increasing order of their Elements atomic numbers

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H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca
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ICSE-PERIODIC PROPERTIES OF ELEMENTS -QUESTIONS FOR PRACTICE ON EXAMINATION PATTERN (SECTION II)
  1. From the electronic configurations N (2,5), O (2,6) and F (2,7), answe...

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  2. From the electronic configurations N (2,5), O (2,6) and F (2,7), answe...

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  3. Atomic symbols of the first 20 elements of the periodic table are jumb...

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  4. Atomic symbols of the first 20 elements of the periodic table are jumb...

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  5. Atomic symbols of the first 20 elements of the periodic table are jumb...

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  6. In a period if the atomic radius of the first element is 152 pm, what ...

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  7. In a period if the atomic radius of the first element is 152 pm, what ...

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  8. Which one of the figures I and II represents the correct measure of at...

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  9. Consider the section of the periodic table given below. Note ...

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  10. Consider the section of the periodic table given below. Note: In ...

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  11. Consider the section of the periodic table given below. Note: In ...

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  12. Consider the section of the periodic table given below. Note: In ...

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  13. Consider the section of the periodic table given below. Note: In ...

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  14. The elements of one short period of the periodic table are given below...

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  15. The elements of one short period of the Periodic Table are given below...

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  16. The elements of one short period of the periodic table are given below...

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  17. The elements of one short period of the periodic table are given below...

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  18. The elements of one short period of the periodic table are given below...

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  19. Use the letters only written in the periodic table given below to answ...

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  20. Use the letters only written in the Periodic Table given below to ans...

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