Mendelevium (Md), element 101 – Learn Acer periodic table

Mendelevium is a synthetic element with chemical symbol Md (formerly Mv) and atomic number 101. A metallic radioactive transuranic element in the actinide series, it is the first element that currently cannot be produced in macroscopic quantities through neutron bombardment of lighter elements. It is the antepenultimate actinide and the ninth transuranic element.

Symbol Md. Atomic mass 258.0 u. Group 3, period 7. Electron configuration [Rn] 5f13 7s2. Electrons per shell 2, 8, 18, 32, 31, 8, 2. State at room temperature: Solid. Melting point 826.9 °C, boiling point unknown. Discovered by Lawrence Berkeley National Laboratory.

Element data from Wikipedia, CC BY-SA 3.0.

Mendelevium (Md), element 101 – Learn Acer periodic table

Mendelevium

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