Mc
Moscovium · element 115
Unknown, Probably Post-Transition Metal · Solid at room temperature
Moscovium is the name of a synthetic superheavy element in the periodic table that has the symbol Mc and has the atomic number 115. It is an extremely radioactive element; its most stable known isotope, moscovium-289, has a half-life of only 220 milliseconds. It is also known as eka-bismuth or simply element 115.
Key facts
Atomic mass
289 u
how heavy one atom is
Phase (room temp.)
Solid
Density
13.5 g/cm³
how tightly packed it is
Melting point
670 K (397 °C)
when solid turns to liquid
Boiling point
1400 K (1127 °C)
when liquid turns to gas
Period
7
its row in the periodic table
Group
15
its column in the periodic table
Block
P-block
the neighbourhood it lives in
Electron configuration
*[Rn] 5f14 6d10 7s2 7p3
where its electrons live
Shells
2 · 8 · 18 · 32 · 32 · 18 · 5
electrons in each layer, inside to out
Discovered by
Joint Institute for Nuclear Research
who found it
Source: Wikipedia