Roentgeni

Roentgeni (Rg)

chemical element with atomic number 111
Atomic Number111
Atomic Weight281
mass number272
Group11
Period7
Blockd
protoni111 p+
nyutroni161 n0
elektroni111 e-
Animated Bohr model of Rg (Roentgeni)

Physical Property

Atomic Radius
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
msongamano

Chemical Property

nishati
proton affinity
electron affinity
ionization energy
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
elektroni
Mzingo elektroni2, 8, 18, 32, 32, 17, 2
Bohr model: Rg (Roentgeni)
valence electron1
Lewis structure: Rg (Roentgeni)
electron configuration[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)
oxidation number
electronegativity
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
Kiwango utatu
appearance
Rangi
Colorless
appearance
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
electrical conductivity
electrical resistivity
superconductivity
Uga sumaku
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
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
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

mass number272
neutron number161
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
4.2 ± 1.1 ms
spin
nuclear quadrupole moment
Uvumbuzi1995
parity

hali ya kuozaintensity
α (α emission)100%

273Rg

mass number273
neutron number162
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
spin
nuclear quadrupole moment
Uvumbuzi
parity

hali ya kuozaintensity
α (α emission)

274Rg

mass number274
neutron number163
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
20 ± 11 ms
spin
nuclear quadrupole moment
Uvumbuzi2004
parity

hali ya kuozaintensity
α (α emission)100%

275Rg

mass number275
neutron number164
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
spin
nuclear quadrupole moment
Uvumbuzi
parity

hali ya kuozaintensity
α (α emission)

276Rg

mass number276
neutron number165
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
spin
nuclear quadrupole moment
Uvumbuzi
parity

hali ya kuozaintensity
α (α emission)
SF (spontaneous fission)

277Rg

mass number277
neutron number166
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
spin
nuclear quadrupole moment
Uvumbuzi
parity

hali ya kuozaintensity
α (α emission)
SF (spontaneous fission)

278Rg

mass number278
neutron number167
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
8 ± 5 ms
spin
nuclear quadrupole moment
Uvumbuzi2007
parity

hali ya kuozaintensity
α (α emission)100%

279Rg

mass number279
neutron number168
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
170 ± 110 ms
spin
nuclear quadrupole moment
Uvumbuzi2004
parity

hali ya kuozaintensity
α (α emission)100%

280Rg

mass number280
neutron number169
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
4.3 ± 0.5 s
spin
nuclear quadrupole moment
Uvumbuzi2004
parity

hali ya kuozaintensity
α (α emission)100%

281Rg

mass number281
neutron number170
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
19 ± 5 s
spin
nuclear quadrupole moment
Uvumbuzi2010
parity

hali ya kuozaintensity
SF (spontaneous fission)87%
α (α emission)13%

282Rg

mass number282
neutron number171
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
130 ± 50 s
spin
nuclear quadrupole moment
Uvumbuzi2010
parity

hali ya kuozaintensity
α (α emission)100%

283Rg

mass number283
neutron number172
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
spin
nuclear quadrupole moment
Uvumbuzi
parity

hali ya kuozaintensity
α (α emission)
SF (spontaneous fission)

284Rg

mass number284
neutron number173
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
spin
nuclear quadrupole moment
Uvumbuzi
parity

hali ya kuozaintensity
α (α emission)
SF (spontaneous fission)

285Rg

mass number285
neutron number174
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
spin
nuclear quadrupole moment
Uvumbuzi
parity

hali ya kuozaintensity
α (α emission)
SF (spontaneous fission)

286Rg

mass number286
neutron number175
Relative Atomic Mass
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
spin
nuclear quadrupole moment
Uvumbuzi2016
parity

hali ya kuozaintensity
α (α emission)100%
SF (spontaneous fission)
Electron shell 111 Roentgenium

historia

mgunduzi au mvumbuziHeavy Ion Research Laboratory (HIRL)
location of discoveryGermany
Uvumbuzi1994
EtimolojiaNamed in honor of the physicist Wilhelm Roentgen.
pronunciationoon-nun-OON-i-em (Kiingereza)

source

Abundance
Abundance in Earth's crust
natural abundance (Bahari)
natural abundance (Mwili)
0 %
natural abundance (Kimondo)
0 %
natural abundance (Jua)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants