Chemistry, 01.11.2020 16:40 Yungnaudie
Why is cobalt (Co) placed before nickel (Ni) on
the periodic table of the elements even though it
has a higher average atomic mass than nickel?
A Nickel has one more proton.
B Cobalt was discovered first.
C Nickel has fewer electrons.
D Cobalt has a lower density.
Answers: 2
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Why is cobalt (Co) placed before nickel (Ni) on
the periodic table of the elements even though it
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