Gadolini
Gadolinium ina tabia kadhaa zisizo kawaida. Katika kampaundi za feleji nyongeza ndogo ya Gadolini hupunguza hupunguza utendanaji wake na oksijeni katika hali ya joto.[ <span title="This claim needs references to reliable sources. (June 2019)">onesha inahitajika</span> ]