59.7k views
1 vote
Which of the following is a main group element?

O Ce
O Co
O Cu
OCs
O none of the above

2 Answers

1 vote
the answer is somewhere, u gotta dig deeper like princess and the frog said!
User Levi Botelho
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7.0k points
4 votes
I think none of the above
User Tschumann
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8.1k points