Roentgenium

Roentgenium (Rg)

chemical element with atomic number 111
Atomic Number111
Atomic Weight281
Massagetal272
Group11
Period7
Blockd
proton111 p+
neutron161 n0
elektron111 e-
Animated Bohr model of Rg (Roentgenium)

Physical Property

Atoomradius
molar volume
Covalent Radius
121 pm
Metallic Radius
Ioonradius
Crystal Radius
Van der Waals radius
density
28,7 g/cm³

Chemical Property

energie
proton affinity
electron affinity
ionization energy
Verdampingswarmte
smeltingswarmte
Vormingsentalpie
elektron
Elektronskil2, 8, 18, 32, 32, 17, 2
Bohr model: Rg (Roentgenium)
Valenselektrone1
Lewisteorie: Rg (Roentgenium)
elektronkonfigurasie[Rn] 5f14 6d10 7s1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f14 6d10 7s1
Enhanced Bohr model of Rg (Roentgenium)
Orbital Diagram of Rg (Roentgenium)
Oksidasietoestand
Elektronegatiwiteit
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
kleur
Colorless
appearance
Brekingsindeks
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
Geleidingsvermoë
Elektriese resistiwiteit
superconductivity
Magnetisme
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal Structure ()
lattice constant
Lattice Angles
mechanical property
hardness
Massamodulus
Skuifmodulus
Young se modulus
Poisson se verhouding
Spoed van klank
classification
CategoryTransition metals, Transition metals
CAS GroupIB
IUPAC GroupIB
Glawe Number
Mendeleev Number74
Pettifor Number
Geochemical Class
Goldschmidt classificationsynthetic

other

Gas Basicity
polarizability
32 ± 6 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
quantum number2S1/2
Ruimtegroep ()

Isotopes of Roentgenium

Stable Isotopes0
Unstable Isotopes15
Natural Isotopes0

272Rg

Massagetal272
neutron number161
relative atomic mass
272,153273 ± 0,000251 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
4,2 ± 1,1 ms
spin
nuclear quadrupole moment
ontdekkingsdatum1995
parity

decay modeintensity
α (α emission)100%

273Rg

Massagetal273
neutron number162
relative atomic mass
273,153393 ± 0,000429 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum
parity

decay modeintensity
α (α emission)

274Rg

Massagetal274
neutron number163
relative atomic mass
274,155247 ± 0,000225 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
20 ± 11 ms
spin
nuclear quadrupole moment
ontdekkingsdatum2004
parity

decay modeintensity
α (α emission)100%

275Rg

Massagetal275
neutron number164
relative atomic mass
275,156088 ± 0,000479 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum
parity

decay modeintensity
α (α emission)

276Rg

Massagetal276
neutron number165
relative atomic mass
276,158226 ± 0,000675 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum
parity

decay modeintensity
α (α emission)
SF (spontaneous fission)

277Rg

Massagetal277
neutron number166
relative atomic mass
277,159322 ± 0,000504 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum
parity

decay modeintensity
α (α emission)
SF (spontaneous fission)

278Rg

Massagetal278
neutron number167
relative atomic mass
278,16159 ± 0,000417 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
8 ± 5 ms
spin
nuclear quadrupole moment
ontdekkingsdatum2007
parity

decay modeintensity
α (α emission)100%

279Rg

Massagetal279
neutron number168
relative atomic mass
279,16288 ± 0,000453 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
170 ± 110 ms
spin
nuclear quadrupole moment
ontdekkingsdatum2004
parity

decay modeintensity
α (α emission)100%

280Rg

Massagetal280
neutron number169
relative atomic mass
280,165204 ± 0,000571 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
4,3 ± 0,5 s
spin
nuclear quadrupole moment
ontdekkingsdatum2004
parity

decay modeintensity
α (α emission)100%

281Rg

Massagetal281
neutron number170
relative atomic mass
281,166757 ± 0,000831 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
19 ± 5 s
spin
nuclear quadrupole moment
ontdekkingsdatum2010
parity

decay modeintensity
SF (spontaneous fission)87%
α (α emission)13%

282Rg

Massagetal282
neutron number171
relative atomic mass
282,169343 ± 0,000631 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
130 ± 50 s
spin
nuclear quadrupole moment
ontdekkingsdatum2010
parity

decay modeintensity
α (α emission)100%

283Rg

Massagetal283
neutron number172
relative atomic mass
283,171101 ± 0,000728 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum
parity

decay modeintensity
α (α emission)
SF (spontaneous fission)

284Rg

Massagetal284
neutron number173
relative atomic mass
284,173882 ± 0,000537 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum
parity

decay modeintensity
α (α emission)
SF (spontaneous fission)

285Rg

Massagetal285
neutron number174
relative atomic mass
285,175771 ± 0,000644 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum
parity

decay modeintensity
α (α emission)
SF (spontaneous fission)

286Rg

Massagetal286
neutron number175
relative atomic mass
286,178756 ± 0,000492 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum2016
parity

decay modeintensity
α (α emission)100%
SF (spontaneous fission)
Electron shell 111 Roentgenium

geskiedenis

Ontdek deurHeavy Ion Research Laboratory (HIRL)
ligging van ontdekkingGermany
ontdekkingsdatum1994
etimologieNamed in honor of the physicist Wilhelm Roentgen.
uitspraakoon-nun-OON-i-em (Engels)

source

Abundance
Abundance in Earth's crust
natural abundance (oseaan)
natural abundance (human body)
0 %
natural abundance (Meteoroïde)
0 %
natural abundance (Son)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants