Biology, asked by gadekarishabnam, 11 months ago

demerits of Mendeleev periodic table ​

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Answered by devansh8794
0

placedfew elements with more atomic mass before the element with less atomic mass

Answered by iramsayyed2004
1

You helped me once I remembered now it's my time to help u out kindly have a look to this pic and I have marked it with pencil

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