Ruthenium
(Ru)
020
2818151
Ru
Category
Transition metal
Relative atomic mass
101.07
Density
12.2
Melting point (°C)
2523
Boiling point (°C)
4423
Electronegativity (Pauling)
2.2
Discovery year
1844
Discovered by
Electrons: 44
Protons: 44
Neutrons: 57
created by @lukaswyss
Ruthenium (Ru) – Element 44