How were the position of cobalt and nickel resolved in the modern periodic table?

Asked by aravind kumar | 15th Mar, 2017, 04:56: PM

Expert Answer:

In the modern periodic table, elements are arranged in accordance with their atomic number.

Atomic number of Co is 27 and for Ni it is 28.

Hence, cobalt is placed before nickel in the modern periodic table.

Answered by Vaibhav Chavan | 16th Mar, 2017, 10:18: AM