Roentgenium
Symbol
Rg
Atomic Number
111
Atomic Weight
[272]
Element Classification
Discovered By
Heavy Ion Research Laboratory (HIRL)
Discovery Date
1994 (Germany)
Name Origin
Named in honor of Wilhelm Conrad Roentgen, discoverer X-rays
Density (g/cc)
n/a
Melting Point (K)
n/a
Boiling Point (K)
n/a
Appearance
n/a
Atomic Radius (pm)
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Atomic Volume (cc/mol)
n/a
Covalent Radius (pm)
n/a
Ionic Radius
n/a
Specific Heat
n/a
Fusion Heat (kJ/mol)
n/a
Evaporation Heat (kJ/mol)
n/a
Thermal Conductivity (@25°C W/m K)
n/a
Debye Temperature (K)
n/a
Pauling Negativity Number
n/a
First Ionizing Energy (kJ/mol)
n/a
Oxidation States
n/a
Electronic Configuration
[Rn] 5f14 6d10 7s1
Lattice Structure
(n/a)
Lattice Constant
n/a
Lattice C/A Ratio
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