Question

Write electron configurations for the following ions, and determine which have noble-gas configurations. (Type your answer using the format [Ar] 4s2 3d10 4p2 for [Ar]4s23d104p2.)

Ru2+

thanks

Answer 1

I,or someone will be happy to check your work.

Answer 2

If you don't know the electron configuration of Ru, check here. www.webelements.com