Ions: Electron Configuration

Question

Write the complete electron configuration for the common monatomic ion formed by the element rubidium, Rb.

This ion is a(n) _______cationanion with a charge of?

Answer 1

The complete configuration for the common monatomic ion formed by the element rubidium, Rb is 1s² 2s² 2p⁶ 3s²3p⁶ 4s² 3d¹⁰ 4p⁶ and this ion is a cation with a charge of 1+.