Roentgeni

Roentgeni (Rg)

chemical element with atomic number 111
Atomic Number111
Atomic Weight281
Rhif màs272
Group11
Period7
Blockd
Proton111 p+
Niwtron161 n0
Electron111 e-
Animated Bohr model of Rg (Roentgeni)

Nodwedd Ffisegol

Atomic Radius
molar volume
covalent radius
121 pm
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
28.7 g/cm³

Nodwedd Gemegol

egni
proton affinity
electron affinity
ionization energy
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Electron
plisgyn yr electron2, 8, 18, 32, 32, 17, 2
Bohr model: Rg (Roentgeni)
valence electron1
Lewis structure: Rg (Roentgeni)
trefn yr electronnau[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 (Roentgeni)
Orbital Diagram of Rg (Roentgeni)
Cyflwr ocsidiad
Electronegatifedd
Electrophilicity Index
cyflwr sylfaenol mater
cyflwr materSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
lliw
Colorless
appearance
Mynegrif plygiant
nodwedd ffisegol gwrthrych
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
dargludedd trydanol
Gwrthedd
superconductivity
magnetism
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
strwythur
Crystal Structure ()
lattice constant
Lattice Angles
nodwedd mecanyddol deunyddiau
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
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
space group ()

Isotopes of Roentgenium

Stable Isotopes0
Unstable Isotopes15
Natural Isotopes0

272Rg

Rhif màs272
neutron number161
relative atomic mass
272.153273 ± 0.000251 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
4.2 ± 1.1 ms
spin
nuclear quadrupole moment
dyddiad darganfod1995
parity

decay modeintensity
α (α emission)100%

273Rg

Rhif màs273
neutron number162
relative atomic mass
273.153393 ± 0.000429 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod
parity

decay modeintensity
α (α emission)

274Rg

Rhif màs274
neutron number163
relative atomic mass
274.155247 ± 0.000225 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
20 ± 11 ms
spin
nuclear quadrupole moment
dyddiad darganfod2004
parity

decay modeintensity
α (α emission)100%

275Rg

Rhif màs275
neutron number164
relative atomic mass
275.156088 ± 0.000479 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod
parity

decay modeintensity
α (α emission)

276Rg

Rhif màs276
neutron number165
relative atomic mass
276.158226 ± 0.000675 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod
parity

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

277Rg

Rhif màs277
neutron number166
relative atomic mass
277.159322 ± 0.000504 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod
parity

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

278Rg

Rhif màs278
neutron number167
relative atomic mass
278.16159 ± 0.000417 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
8 ± 5 ms
spin
nuclear quadrupole moment
dyddiad darganfod2007
parity

decay modeintensity
α (α emission)100%

279Rg

Rhif màs279
neutron number168
relative atomic mass
279.16288 ± 0.000453 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
170 ± 110 ms
spin
nuclear quadrupole moment
dyddiad darganfod2004
parity

decay modeintensity
α (α emission)100%

280Rg

Rhif màs280
neutron number169
relative atomic mass
280.165204 ± 0.000571 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
4.3 ± 0.5 s
spin
nuclear quadrupole moment
dyddiad darganfod2004
parity

decay modeintensity
α (α emission)100%

281Rg

Rhif màs281
neutron number170
relative atomic mass
281.166757 ± 0.000831 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
19 ± 5 s
spin
nuclear quadrupole moment
dyddiad darganfod2010
parity

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

282Rg

Rhif màs282
neutron number171
relative atomic mass
282.169343 ± 0.000631 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
130 ± 50 s
spin
nuclear quadrupole moment
dyddiad darganfod2010
parity

decay modeintensity
α (α emission)100%

283Rg

Rhif màs283
neutron number172
relative atomic mass
283.171101 ± 0.000728 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod
parity

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

284Rg

Rhif màs284
neutron number173
relative atomic mass
284.173882 ± 0.000537 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod
parity

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

285Rg

Rhif màs285
neutron number174
relative atomic mass
285.175771 ± 0.000644 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod
parity

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

286Rg

Rhif màs286
neutron number175
relative atomic mass
286.178756 ± 0.000492 Da
g-factor
natural abundance
Dadfeilio ymbelydrol☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod2016
parity

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

hanes

darganfyddwr neu ddyfeisiwrHeavy Ion Research Laboratory (HIRL)
man darganfodGermany
dyddiad darganfod1994
geirdarddiadNamed in honor of the physicist Wilhelm Roentgen.
ynganiadoon-nun-OON-i-em (Saesneg)

source

Abundance
Abundance in Earth's crust
natural abundance (cefnfor)
natural abundance (corff dynol)
0 %
natural abundance (Awyrfaen)
0 %
natural abundance (Haul)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants