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otez555 [7]
3 years ago
11

Why is Cobalt (Co) placed before Nickel (Ni) on the Periodic Table of the Elements even though it has a higher average atomic ma

ss than nickel?
Social Studies
1 answer:
djverab [1.8K]3 years ago
6 0

Answer:

Cobalt has 27 protons while Nickel has 28.

Explanation:

atomic mass does have to do with protons and neutrons, but its not what places the elements

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