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Newland's law of octaves seemed to be fl...

Newland's law of octaves seemed to be flawless only for elements up to___u.

A

Every eighth element had properties similar to the first element

B

Every third element had properties similar to the first element

C

The properties of the middle element were in between the other two members

D

The properties of the elements were repeated after regular intervals of 3,4 or 8 elements.

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A
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NCERT FINGERTIPS-CLASSIFICATION OF ELEMENTS AND PERIODICITY -Assertion And Reason
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  5. Assertion:In the present form of periodic table,the period number corr...

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  6. Assertion:The chemistry of the early actinoids is more comlicated than...

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  7. Assertion:The atomic size generally increases across a period and decr...

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  8. Assertion:Among isoelectronic species,the cation with the greater posi...

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  10. Assertion:For the elements O or F,the electron gain enthalpy is less n...

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  11. Assertion: Shielding effect increases as we go down the group. Reaso...

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  12. Assertion:Electronegativity is not a measurable quantity. Reason:The e...

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  13. Assertion:Oxidation state of oxygen in OF(2) and Na(2)O is +2 and -2 r...

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