111Rg281 Da

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Chemical Elements A Virtual Museum under a Creative Commons Attribution 3.0 Unported License, source: https://images-of-elements.com/roentgenium.php

Bohr model of Roentgenium

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

1s2
2s2
2p6
3s2
3p6
3d10
4s2
4p6
4d10
4f14
5s2
5p6
5d10
6s2
6p6
5f14
6d10
7s1

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

NuclideZNMass (AMU)Half-lifeDecayAbundance
272Rg111161272.1532734.20 msα (1%)
273Rg111162273.153393Unknownα
274Rg111163274.15524720.0 msα (1%)
284Rg111173284.173882Unknownα, SF
285Rg111174285.175771Unknownα, SF
286Rg111175286.178756Unknownα (1%), SF

Click any isotope for its full page with decay chain:

Wikipedia →Data: Bowserinator · IAEA NDS · mendeleev