Moscovium

Chaitra 26/06/2026 19:58:09 Updated 26/06/2026 19:58:09

Property	Value
Atomic Number	115
Element	Moscovium
Symbol	Mc
Atomic Mass	[290] (most stable isotope)
Number of Neutrons	175 (Moscovium-290)
Number of Protons	115
Number of Electrons	115
Period	7
Group	15
Phase	Solid (predicted)
Radioactive	Yes
Natural	No (synthetic element)
Metal	Yes (predicted)
Nonmetal	No
Metalloid	No
Type	Post-transition Metal
Atomic Radius	— (not well established)
Electronegativity	— (not well established)
First Ionization Energy	~7.6 eV (estimated)
Density	~13.5 g/cm³ (estimated)
Melting Point	~400 °C (estimated)
Boiling Point	~1100 °C (estimated)
Number of Isotopes	No stable isotopes (Mc-290 most notable)
Discoverer	Joint Institute for Nuclear Research (Dubna) and Lawrence Livermore National Laboratory
Year	2003
Specific Heat	— (not well established)
Number of Shells	7
Number of Valence Electrons	5