资讯

These lines (u1= 1-5618 A; /32= 1-3194 A) fall in the correct places for the element of atomic number 72, between the corresponding lines of lutecium and ytterbium.
This article was originally published with the title “ An Atom of Lutecium ” in Scientific American Magazine Vol. 143 No. 6 (December 1930), p. 455 doi:10.1038 ...
A New Element Lutecium. Obtained by sputting up marignac's Ytterbium. By G. Urbain. Join Our Community of Science Lovers! Sign Up for Our Free Daily Newsletter. Enter your email.