Problem: What element has a +2 cation with the electron configuration [Ar]3d9?A) ZincB) CopperC) GalliumD) CadmiumE) Silver

FREE Expert Solution

We’re being asked to determine the element of a +2 cation with an electron configuration of [Ar]3d9


Let’s determine the chemical symbol this cation is isoelectronic with.

Isoelectronic means that two species have the same number of electrons.


The cation has an electronic configuration of [Ar]3d9:


91% (325 ratings)
View Complete Written Solution
Problem Details

What element has a +2 cation with the electron configuration [Ar]3d9?

A) Zinc

B) Copper

C) Gallium

D) Cadmium

E) Silver

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Electron Configuration concept. You can view video lessons to learn Electron Configuration. Or if you need more Electron Configuration practice, you can also practice Electron Configuration practice problems.