Skandiyum, periyodik tabloda kalsiyum ve titanyumun arasında yer alan ve atom numarası 21 olan elementtir. 1879 yılında İsveçli bilim insanı Lars Fredrik Nilson tarafından bulunmuştur.
Kaynakça
^F. Geoffrey N. Cloke; Karl Khan; Robin N. Perutz (1991). "η-Arene complexes of scandium(0) and scandium(II)". J. Chem. Soc., Chem. Commun. (19): 1372–1373. doi:10.1039/C39910001372.
^Smith, R. E. (1973). "Diatomic Hydride and Deuteride Spectra of the Second Row Transition Metals". Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences. 332 (1588): 113-127. Bibcode:1973RSPSA.332..113S. doi:10.1098/rspa.1973.0015.
^McGuire, Joseph C.; Kempter, Charles P. (1960). "Preparation and Properties of Scandium Dihydride". The Journal of Chemical Physics. 33 (5): 1584–1585. Bibcode:1960JChPh..33.1584M. doi:10.1063/1.1731452.
