Question

State true or false

1) Cobalt and nickel should be given the same position in modern periodic table.​

Answer 1

Answer:

Solution: (a) Isotopes have same atomic number and different atomic mass, So they are not given separate place in periodic table and is based on the atomic number of elements. ... Cobalt has higher atomic mass was placed before nickel. It has atomic mass of 58.9 and Nickel has 58.7.

Explanation:

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Answer 2

Answer:

no

Explanation:

because atomic number can not same so Cobalt and nickel should not be given in the same position in modern periodic table