Mendelevium is an artificial, man made chemical element.
Mendelevium is an artificial element, toxic and radioactive, difficult to obtain - only some atoms per experiment.
Mendelevium can be found only in rare specialized laboratories.
Mendelevium is a synthetic element that does not occur naturally in the Earth's crust. It is primarily produced in laboratories by bombarding other elements with high-energy particles.
Mendelevium was identified at Berkeley Radiation Laboratories in 1955.
Mendelevium is available only of amounts of femtograms; with these quantities a detailed chemical study is not possible. Having a Pauling electronegativity of 1,3 Md is a reactive element. Valences are 2 and 3; not surely confirmed 1.Fluorides, hydroxides etc. of Md were observed.
Mendelevium is a very rare element and is not found in nature. It is typically produced in laboratories through nuclear reactions involving heavy isotopes of other elements. Due to its high radioactivity and short half-life, only small amounts of mendelevium have been produced to date.
Mendelevium is an artificial chemical element without any practical uses today.
Mendelevium has not practical uses; it is important only for studies in nuclear physics and nuclear chemistry laboratories.
Mendelevium has not practical uses; it is important only for studies in nuclear physics and nuclear chemistry laboratories.
Mendelevium has not practical uses; it is important only for studies in nuclear physics and nuclear chemistry laboratories.
Mendelevium has not practical uses, it is common only in highly specialized and rich nuclear physics/chemistry laboratories.
Mendelevium is very probable a conductor, as all metals, but measurements are impossible with only some atoms.