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Cobalt has atomic mass 58.93 and …

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Cobalt has atomic mass 58.93 and Nickel 58.69 then why Cobalt is placed before Nickel in periodic table

Posted by Tashvi Sud 3 years, 7 months ago

CBSE > Class 10 > Science

1 answers

Ekta Gupta 3 years, 7 months ago

To put it in the same group in which it's properties lies.

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