Question

what were the limitation of newlands law of octaves​

Answer 1

Answer:

no fixed position of hydrogen

no fixed position of isotopes

Applicable only up to calcium

Answer 2

$\huge\star{\purple{\underline{\underline{\mathfrak{Explanation:}}}}}$

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Limitations of Newlands’ Law of Octaves are as follows:-

• $\large{\pink\leadsto}$Newlands’ Law of Octaves applicable to elements up to Calcium

• $\large{\pink\leadsto}$Newland assumed there are 56 elements in the nature and no more elements would be discovered in the future.

• $\large{\pink\leadsto}$To fit elements into table Newland put two elements into one slot.

• $\large{\pink\leadsto}$ Newland introduced unlike elements with different properties into one column.

• $\large{\pink\leadsto}$Iron(Fe) was placed away from elements that resembles in properties . Ex: Nickel and cobalt

• $\large{\pink\leadsto}$It was applicable to only lighter elements having atomic masses upto 40 u, i.e., upto calcium. 

• $\large{\pink\leadsto}$Newlands'law of Octaves worked well with lighter elements only.