Roentgenium (Rg)

grundstof med atomnummer 111

Atomnummer	111
Atommasse	281
mass number	272

Gruppe	11
Periode	7
Blok	d

proton	111 p⁺
neutron	161 n⁰
elektron	111 e^-

Animated Bohrs atommodel of Rg (Roentgenium)

Fysisk Egenskab

Atomradius
molar volume
Kovalent Radius	121 pm 116 pm 118 pm
Metallic Radius
Ionisk radius
Crystal Radius
Van der Waals-radius
massefylde	28,7 g/cm³

Kemisk Egenskab

energi

proton affinity
electron affinity
ioniseringsenergi
Fordampningsvarme
smeltevarme
standard enthalpy of formation
elektron

Elektronskal	2, 8, 18, 32, 32, 17, 2

Valenselektron	1 ⓘ

electron configuration	[Rn] 5f¹⁴ 6d¹⁰ 7s¹ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 5f¹⁴ 6d¹⁰ 7s¹

Oxidationstrin
Elektronegativitet
Electrophilicity Index
fundamental state of matter

stoffase	Fast stof
gaseous state of matter
Kogepunkt
Smeltepunkt
critical pressure
critical temperature
trippelpunkt
appearance
farve	Colorless
appearance
Brydningsindeks
materialeegenskab
Varmeledningsevne
Termisk ekspansion
molar heat capacity
Varmefylde
Adiabateksponenten
electrical properties
type
specifik ledningsevne
Elektrisk resistivitet
superledning
Magnetisme
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curietemperaturen
Néel temperature
struktur
Krystalstruktur	()
lattice constant
Lattice Angles
mechanical property
hårdhed
Kompressibilitetsmodul
Forskydningsmodul
E-modul
Poissons forhold
speed of sound
klassificering
Kategori	Overgangsmetaller, Transition metals
CAS Group	IB
IUPAC Group	IB
Glawe Number
Mendeleev Number	74
Pettifor Number
Geochemical Class
Goldschmidt classification	synthetic

øvrige

Gas Basicity
polarizability	32 ± 6 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
quantum number	2S1/2
rumgruppe	()

Isotopes of Roentgenium

Stable Isotopes	0
Unstable Isotopes	15
Natural Isotopes	0

²⁷²Rg

mass number	272
neutron number	161
Relative Atomic Mass	272,153273 ± 0,000251 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	4,2 ± 1,1 ms
spin
nuclear quadrupole moment
opdagelsesdato	1995
Paritet

decay mode	Intensitet
α (α emission)	100%

²⁷³Rg

mass number	273
neutron number	162
Relative Atomic Mass	273,153393 ± 0,000429 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin
nuclear quadrupole moment
opdagelsesdato
Paritet

decay mode	Intensitet
α (α emission)

²⁷⁴Rg

mass number	274
neutron number	163
Relative Atomic Mass	274,155247 ± 0,000225 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	20 ± 11 ms
spin
nuclear quadrupole moment
opdagelsesdato	2004
Paritet

decay mode	Intensitet
α (α emission)	100%

²⁷⁵Rg

mass number	275
neutron number	164
Relative Atomic Mass	275,156088 ± 0,000479 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin
nuclear quadrupole moment
opdagelsesdato
Paritet

decay mode	Intensitet
α (α emission)

²⁷⁶Rg

mass number	276
neutron number	165
Relative Atomic Mass	276,158226 ± 0,000675 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin
nuclear quadrupole moment
opdagelsesdato
Paritet

decay mode	Intensitet
α (α emission)
SF (spontaneous fission)

²⁷⁷Rg

mass number	277
neutron number	166
Relative Atomic Mass	277,159322 ± 0,000504 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin
nuclear quadrupole moment
opdagelsesdato
Paritet

decay mode	Intensitet
α (α emission)
SF (spontaneous fission)

²⁷⁸Rg

mass number	278
neutron number	167
Relative Atomic Mass	278,16159 ± 0,000417 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	8 ± 5 ms
spin
nuclear quadrupole moment
opdagelsesdato	2007
Paritet

decay mode	Intensitet
α (α emission)	100%

²⁷⁹Rg

mass number	279
neutron number	168
Relative Atomic Mass	279,16288 ± 0,000453 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	170 ± 110 ms
spin
nuclear quadrupole moment
opdagelsesdato	2004
Paritet

decay mode	Intensitet
α (α emission)	100%

²⁸⁰Rg

mass number	280
neutron number	169
Relative Atomic Mass	280,165204 ± 0,000571 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	4,3 ± 0,5 s
spin
nuclear quadrupole moment
opdagelsesdato	2004
Paritet

decay mode	Intensitet
α (α emission)	100%

²⁸¹Rg

mass number	281
neutron number	170
Relative Atomic Mass	281,166757 ± 0,000831 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	19 ± 5 s
spin
nuclear quadrupole moment
opdagelsesdato	2010
Paritet

decay mode	Intensitet
SF (spontaneous fission)	87%
α (α emission)	13%

²⁸²Rg

mass number	282
neutron number	171
Relative Atomic Mass	282,169343 ± 0,000631 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid	130 ± 50 s
spin
nuclear quadrupole moment
opdagelsesdato	2010
Paritet

decay mode	Intensitet
α (α emission)	100%

²⁸³Rg

mass number	283
neutron number	172
Relative Atomic Mass	283,171101 ± 0,000728 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin
nuclear quadrupole moment
opdagelsesdato
Paritet

decay mode	Intensitet
α (α emission)
SF (spontaneous fission)

²⁸⁴Rg

mass number	284
neutron number	173
Relative Atomic Mass	284,173882 ± 0,000537 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin
nuclear quadrupole moment
opdagelsesdato
Paritet

decay mode	Intensitet
α (α emission)
SF (spontaneous fission)

²⁸⁵Rg

mass number	285
neutron number	174
Relative Atomic Mass	285,175771 ± 0,000644 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin
nuclear quadrupole moment
opdagelsesdato
Paritet

decay mode	Intensitet
α (α emission)
SF (spontaneous fission)

²⁸⁶Rg

mass number	286
neutron number	175
Relative Atomic Mass	286,178756 ± 0,000492 Da
g-factor
natural abundance
radioaktivitet	☢️ radioactive element
halveringstid
spin
nuclear quadrupole moment
opdagelsesdato	2016
Paritet

decay mode	Intensitet
α (α emission)	100%
SF (spontaneous fission)

historie

opdager eller opfinder	Heavy Ion Research Laboratory (HIRL)
fundsted	Germany
opdagelsesdato	1994
etymologi	Named in honor of the physicist Wilhelm Roentgen.
udtale	oon-nun-OON-i-em (engelsk)

source

Forekomst
Abundance in Earth's crust
natural abundance (verdenshave)
natural abundance (menneskelige krop)	0 %
natural abundance (Meteoroid)	0 %
natural abundance (Solen)	0 %
Abundance in Universe	0 %

Nuclear Screening Constants

Roentgenium on ChemicalAid

Australian Educational Vocabulary ID	scot/9704
CAS-nummer	54386-24-2
Elhuyar ZTH ID	133475
Encyclopædia Britannica Online-ID	science/roentgenium
Freebase-ID	/m/025tpyw
GND-identifikator	7635623-1
KBpedia ID	Roentgenium
LCAuth	sh2012003700
NE.se ID	röntgenium
NE.se ID	unununium
National Library of Israel J9U ID	987007595444605171
OmegaWiki-betydningsdefinition	350608
Online PWN Encyclopedia ID	4005803
Store katalanske encyklopædi-ID	0282399
Store norske leksikon-ID	røntgenium
Store russiske encyklopædi Online-ID	3505864
USGS Thesaurus ID	1602
WordNet 3.1 Synset ID	14677003-n

Roentgenium (Rg)

Fysisk Egenskab

Kemisk Egenskab

øvrige

Isotopes of Roentgenium

272Rg

273Rg

274Rg

275Rg

276Rg

277Rg

278Rg

279Rg

280Rg

281Rg

282Rg

283Rg

284Rg

285Rg

286Rg

historie

source

Nuclear Screening Constants

²⁷²Rg

²⁷³Rg

²⁷⁴Rg

²⁷⁵Rg

²⁷⁶Rg

²⁷⁷Rg

²⁷⁸Rg

²⁷⁹Rg

²⁸⁰Rg

²⁸¹Rg

²⁸²Rg

²⁸³Rg

²⁸⁴Rg

²⁸⁵Rg

²⁸⁶Rg