Question

Atomic no..of

.
nickel
and cobalt
..​

Answer 1

Answer:

cobalt-27

nickel-28

Hope its help yu(◔‿◔)(. ❛ ᴗ ❛.)

Answer 2

Answer:

Hi there mate... i hope u are fine... here is your answer.

Explanation:

The atomic number of cobalt is 27 and the atomic number of nickel is 28.