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Upto which element, the law of octaves w...

Upto which element, the law of octaves was found to be applicable ?

A

Oxygen

B

Calcium

C

Cobalt

D

Potassium

Text Solution

Verified by Experts

The correct Answer is:
B
Newlands law of octaves was applicable only to lighter elements having atomic masses upto 40 u i.e., upto calcium. After calcium, ever eighth element did not possess properties similar to that of the first element.
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NCERT EXEMPLAR-PERIODIC CLASSIFICATION OF ELEMENTS-Periodic Classification Of Elements
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  3. In Mendeleev's periodic table, gaps were left for the elements to be d...

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  4. Which of the following statements (s) about the modern periodic table ...

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  5. Which of the following statements about the modern periodic table is c...

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  6. Which of the given elements A,B,C,D and E with atomic number 2,3,7,10 ...

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  7. The elements A, B, C, D and E have atomic number 9, 11, 17, 12 and 13 ...

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  8. Where would you locate the element with electronic configuration 2,8 i...

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  9. An element which is an essential constituent of all organic compounds ...

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  10. Which of the following is the outermost shell for elements of period 2...

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  11. Which one of the following elements exhibit maximum number of velence ...

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  12. Which of the following gives the correct increasing order of the atomi...

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  13. Which among the following elements has the largest atomic radii ?

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  14. Which of the following elements would lose an electron easily ?

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  15. Which of the following elements does not lose an electron easily ?

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  16. Which of the following are the characteristics of isotopes of an eleme...

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  17. Arrange the following elements in the order of their decreasing metall...

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  18. Arrange the following elements in the order of their increasing non-me...

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