Seaborgi (Sg)

chemical element with the atomic number of 106

Atomic Number	106
Atomic Weight	271
Rhif màs	258

Group	6
Period	7
Block	d

Proton	106 p⁺
Niwtron	152 n⁰
Electron	106 e^-

Nodwedd Ffisegol

Atomic Radius
molar volume
covalent radius	143 pm 128 pm 121 pm
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density	35 g/cm³

Nodwedd Gemegol

{ERROR}

egni

proton affinity
electron affinity
ionization energy	7.8 eV/particle 17.1 eV/particle 25.8 eV/particle 35.5 eV/particle 47.2 eV/particle 59.3 eV/particle 109 eV/particle 122 eV/particle 152 eV/particle 170 eV/particle 200 eV/particle 224 eV/particle 251 eV/particle 285 eV/particle 306 eV/particle 339 eV/particle 885 eV/particle 921 eV/particle 958 eV/particle 998 eV/particle 1,036 eV/particle 1,073 eV/particle 1,143 eV/particle 1,181 eV/particle 1,223 eV/particle 1,263 eV/particle 4,095 eV/particle 4,178 eV/particle 4,267 eV/particle 4,360 eV/particle 4,450 eV/particle 4,540 eV/particle 4,750 eV/particle 4,840 eV/particle 4,940 eV/particle 5,030 eV/particle 5,410 eV/particle 5,490 eV/particle 5,590 eV/particle 5,680 eV/particle 6,460 eV/particle 6,570 eV/particle 6,840 eV/particle 6,950 eV/particle 10,680 eV/particle 10,870 eV/particle 11,080 eV/particle 11,300 eV/particle 11,510 eV/particle 11,710 eV/particle 12,320 eV/particle 12,540 eV/particle 12,780 eV/particle 12,990 eV/particle 13,600 eV/particle 13,800 eV/particle 14,000 eV/particle 14,200 eV/particle 16,600 eV/particle 16,800 eV/particle 17,300 eV/particle 17,500 eV/particle 34,500 eV/particle 35,000 eV/particle 35,600 eV/particle 36,100 eV/particle 44,900 eV/particle 45,700 eV/particle 46,600 eV/particle 185,839 eV/particle

enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Electron

plisgyn yr electron	2, 8, 18, 32, 32, 12, 2

valence electron	2 ⓘ

trefn yr electronnau	[Rn] 5f¹⁴ 6d⁴ 7s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 5f¹⁴ 6d⁴ 7s²

Cyflwr ocsidiad	0, 6
Electronegatifedd
Electrophilicity Index
cyflwr sylfaenol mater

cyflwr mater
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
lliw	Black #d90045
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	{ERROR}
lattice constant
Lattice Angles
nodwedd mecanyddol deunyddiau
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
classification
Category	Actinides, Transition metals
CAS Group	VIA
IUPAC Group	VIB
Glawe Number
Mendeleev Number	54
Pettifor Number
Geochemical Class
Goldschmidt classification	synthetic

other

Gas Basicity
polarizability	40 ± 4 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
quantum number	5D0
space group	()

Isotopes of Seaborgium

Stable Isotopes	0
Unstable Isotopes	16
Natural Isotopes	0

²⁵⁸Sg

Rhif màs	258
neutron number	152
Relative Atomic Mass	258.11304 ± 0.000443 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	2.7 ± 0.5 ms
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1997
parity	+

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

²⁵⁹Sg

Rhif màs	259
neutron number	153
Relative Atomic Mass	259.114353 ± 0.000194 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	402 ± 56 ms
spin	11/2
nuclear quadrupole moment
dyddiad darganfod	1985
parity	-

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)

²⁶⁰Sg

Rhif màs	260
neutron number	154
Relative Atomic Mass	260.114383435 ± 0.000022045 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	4.95 ± 0.33 ms
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	1984
parity	+

decay mode	intensity
SF (spontaneous fission)	71%
α (α emission)	29%

²⁶¹Sg

Rhif màs	261
neutron number	155
Relative Atomic Mass	261.115948135 ± 0.000019853 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	183 ± 5 ms
spin	3/2
nuclear quadrupole moment
dyddiad darganfod	1984
parity	+

decay mode	intensity
α (α emission)	98.1%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	1.3%
SF (spontaneous fission)	0.6%

²⁶²Sg

Rhif màs	262
neutron number	156
Relative Atomic Mass	262.116338978 ± 0.000023797 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	10.3 ± 1.7 ms
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2001
parity	+

decay mode	intensity
SF (spontaneous fission)	94%
α (α emission)

²⁶³Sg

Rhif màs	263
neutron number	157
Relative Atomic Mass	263.118299 ± 0.000101 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	940 ± 140 ms
spin	3/2
nuclear quadrupole moment
dyddiad darganfod	1974
parity	+

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

²⁶⁴Sg

Rhif màs	264
neutron number	158
Relative Atomic Mass	264.11893 ± 0.000304 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	78 ± 25 ms
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2006
parity	+

decay mode	intensity
SF (spontaneous fission)	80%
α (α emission)

²⁶⁵Sg

Rhif màs	265
neutron number	159
Relative Atomic Mass	265.121089 ± 0.000149 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	9.2 ± 1.6 s
spin	11/2
nuclear quadrupole moment
dyddiad darganfod	1994
parity	-

decay mode	intensity
α (α emission)	50%
SF (spontaneous fission)

²⁶⁶Sg

Rhif màs	266
neutron number	160
Relative Atomic Mass	266.121973 ± 0.000263 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	390 ± 110 ms
spin	0
nuclear quadrupole moment	0
dyddiad darganfod	2006
parity	+

decay mode	intensity
SF (spontaneous fission)	90%

²⁶⁷Sg

Rhif màs	267
neutron number	161
Relative Atomic Mass	267.124323 ± 0.000281 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	1.8 ± 0.7 m
spin
nuclear quadrupole moment
dyddiad darganfod	2008
parity

decay mode	intensity
SF (spontaneous fission)	83%
α (α emission)	17%

²⁶⁸Sg

Rhif màs	268
neutron number	162
Relative Atomic Mass	268.125389 ± 0.000504 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	0
nuclear quadrupole moment	0
dyddiad darganfod
parity	+

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

²⁶⁹Sg

Rhif màs	269
neutron number	163
Relative Atomic Mass	269.128495 ± 0.000395 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	5 ± 2 m
spin
nuclear quadrupole moment
dyddiad darganfod	2010
parity

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

²⁷⁰Sg

Rhif màs	270
neutron number	164
Relative Atomic Mass	270.130362 ± 0.000492 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	0
nuclear quadrupole moment	0
dyddiad darganfod
parity	+

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

²⁷¹Sg

Rhif màs	271
neutron number	165
Relative Atomic Mass	271.133782 ± 0.000634 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	2.2 ± 1.1 m
spin
nuclear quadrupole moment
dyddiad darganfod	2004
parity

decay mode	intensity
α (α emission)	42%
SF (spontaneous fission)	58%

²⁷²Sg

Rhif màs	272
neutron number	166
Relative Atomic Mass	272.135825 ± 0.000743 Da
g-factor	0
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	0
nuclear quadrupole moment	0
dyddiad darganfod
parity	+

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

²⁷³Sg

Rhif màs	273
neutron number	167
Relative Atomic Mass	273.139475 ± 0.000429 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod
parity

decay mode	intensity
SF (spontaneous fission)

hanes

darganfyddwr neu ddyfeisiwr	Soviet Nuclear Research/ U. of Cal at Berkeley
man darganfod	USSR/United States
dyddiad darganfod	1974
geirdarddiad	Named in honor of Glenn Seaborg, American physical chemist known for research on transuranium elements.
ynganiad	see-BORG-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

Seaborgi on ChemicalAid

Seaborgi (Sg)

Nodwedd Ffisegol

Nodwedd Gemegol

other

Isotopes of Seaborgium

258Sg

259Sg

260Sg

261Sg

262Sg

263Sg

264Sg

265Sg

266Sg

267Sg

268Sg

269Sg

270Sg

271Sg

272Sg

273Sg

hanes

source

Nuclear Screening Constants

²⁵⁸Sg

²⁵⁹Sg

²⁶⁰Sg

²⁶¹Sg

²⁶²Sg

²⁶³Sg

²⁶⁴Sg

²⁶⁵Sg

²⁶⁶Sg

²⁶⁷Sg

²⁶⁸Sg

²⁶⁹Sg

²⁷⁰Sg

²⁷¹Sg

²⁷²Sg

²⁷³Sg