Post a New Question


posted by on .

Actinides and Lanthanides are elements in group 3A. true or false

I say false

  • chemistry - ,

    false, they belong in group 3B

  • chemistry - ,

    Actually, with so many difference schemes out there to group the elements, the A and B system doesn't work very well as far as communications are concerned. One system in use that uses A and B to place the elements is the exact reverse of another system that uses A and B.

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions

Post a New Question