Science, asked by roanborgohain123, 8 months ago

Why were the positions of Co and Ni before the modern periodic table uncertain?

Answers

Answered by malugedam2

1

Explanation:

Anomalous position of some elements.

Co (58.93) and Ni (58.71)Cobalt with higher atomic mass is placed before nickel because the atomic numbers of cobalt and nickel are 27 and 28.

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