| http://www.w3.org/ns/prov#value | - (4) EL is an element which in its cation form is classified by Pearson, (J. E. Huheey, Inorganic Chemistry, Harper & Row, p. 276 (1978)) as hard or borderline acids which interact with the hard base O2- to form more stable bonds than the cations classified as "soft acids.
|
