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Which of the following groupings contains only representative elements: a. cu, co, cd or b. al, mg, li??
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1 vote
Which of the following groupings contains only representative elements:

a. cu, co, cd or
b. al, mg, li??

User Czechnology
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2 Answers

2 votes

Answer: It’s B, Al, Mg, Li

Step-by-step explanation:

User MarcSB
by
8.8k points
3 votes
The correct answer is b. al, mg, li

That's because Cobalt is not a representative element since it's not found in the first 2 or the last 6 groups.
User GenericUser
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8.0k points
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