Mendelevium (Md)

Mendelevium is named after Dmitri Mendeleev, creator of the periodic table.

Helium and einsteinium nuclei spiralling together and fusing into mendelevium, then winking in and out one atom at a time — Video: Helium and einsteinium nuclei spiralling together and fusing into mendelevium, then winking in and out one atom at a time

Properties of Mendelevium

Atomic number: 101
Category: Actinide
Atomic mass: 258 u
Electron configuration: [Rn] 5f¹³ 7s²
Melting point: 1100 K (826.85 °C)
Electronegativity (Pauling): 1.3
Appearance: Unknown, presumably metallic
Discovered by: Albert Ghiorso (1955)

Facts about Mendelevium

Mendelevium is named after Dmitri Mendeleev, the inventor of the periodic table!
Only about 17 atoms of mendelevium were produced when it was first made!
Mendelevium was the first element to be produced one atom at a time!
It was the ninth transuranium element to be discovered!

Mendelevium videos

Helium and einsteinium nuclei spiralling together and fusing into mendelevium, then winking in and out one atom at a time

Back to the periodic table · Mendelevium on Wikipedia