Moscovium

Moscovium is a synthetic chemical element with symbol Mc and atomic number 115. It was first synthesized in 2003 by a joint team of Russian and American scientists at the Joint Institute for Nuclear Research in Dubna, Russia.

Atomic Weight:  2323
Density:        455 g/cm3
Melting Point:  56.98 °C
Boiling Point:  56 °C