Which element(s) would you expect to behave similarly to Gadolinium? What properties of would you expect to be the same, what would be different?

Answer) by studying proton collisions hope this : )

Order of filling levels and sublevels of electrons: 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²3f¹⁴5d¹⁰6p⁶for an element with 5 electrons in the 3d energy level: full configuration: 1s²2s²2p⁶3s²3p³.

Qrepresents joules in the formula