Bued2eepayaoi4mhj Bued2eepayaoi4mhj

24-10-2016
English

contestada

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

Respuesta :

Greenleafable Greenleafable

29-10-2016

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.

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cramirez356573 cramirez356573

31-08-2021

Answer: It’s B, Al, Mg, Li

Explanation:

Answer Link

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