In Mendeleev's Periodic Table, the elements were arranged in the increasing order of atomic masses.

Question

In Mendeleev's Periodic Table, the elements were arranged in the increasing order of atomic masses.

In Mendeleev's Periodic Table, the elements were arranged in the increasing order of atomic masses. However cobalt with atomic mass of 58.93 a.m.u. was placed before nickel having an atomic mass of 58.71 a.m.u, Give reason for the same.

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

It was because elements with similar properties were grouped together and increasing order of atomic mass could not be followed.

4 views Answered 2023-02-05 15:29