111Rg281 Da
Roentgenium
Gallery
Chemical Elements A Virtual Museum under a Creative Commons Attribution 3.0 Unported License, source: https://images-of-elements.com/roentgenium.php
Physical Propertiesmass · density · phase · crystal
Atomic Mass
281Da
Density
28.7000g/cm³
Phase (STP)
Solid
Melting Point
—
Boiling Point
—
Molar Heat
—
Crystal Structure
—
Atomic Radiiatomic · covalent · van der Waals
Atomic (Empirical)
—
Covalent
121.00pm
Van der Waals
—
Electronic Propertieselectronegativity · ionization · affinity
Electron Configuration
[Rn] 5f14 6d10 7s1
Electron Shells
2, 8, 18, 32, 32, 18, 1
Electronegativity
—
Electron Affinity
—
1st Ionization Energy
—
Oxidation States
—
Orbital DiagramAufbau · Hund's rule · Pauli exclusion
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑↓
↑
Full: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p6 5f14 6d10 7s1Short: [Rn] 5f14 6d10 7s1
Abundanceby mass
Biological Role
No biological role
Synthetic, radioactive element. No biological role.
Discovery
Discovered By
Heavy Ion Research Laboratory (HIRL)
Named By
—
Year
1994
Nuclear Data
Known Isotopes
15
Stable Isotopes
0
Stable Mass Numbers
None
Isotopes of Rg15 known
Wikipedia →Data: Bowserinator · IAEA NDS · mendeleev