Seaborgium is a synthetic element with its most stable isotopes being 271Sg with a half-life of 1.9 minutes and isotope 269Sg with a half-life 2.1 minutes.

1974 by Lawrence Berkeley National Laboratory, USA.

DISCOVERY

From the name of Glenn T. Seaborg, Nuclear Chemist.

ETYMOLOGY

Seaborgium

Element

Sg

Symbol

106

106 Atomic Number

Atomic Number

Transition Metal

Classification

54038-81-2

CAS Number

-

Elemental Colour

-

Refractive Index

-

Poisson Ratio

7.747 cm³

Molar Volume

-

Brinell Hardness

-

Mohs Hardness

-

Vickers Hardness

-

Speed of Sound

-

Bulk Modulus

-

Shear Modulus

-

Young Modulus

Allotropes

NONE

-

Melting Point

-

Boiling Point

-

Automatic Ignition

-

Flashpoint

-

Critical Temperature

-

Critical Pressure

-

Thermal Conductivity

-

Thermal Expansion

-

Specific Heat

-

Heat Fusion

-

Heat Vaporisation

-

Heat Combustion

-

Curie Point

-

Neel Point

-

Adiabatic Index

Solid

Phase

-

Electrical Type

-

Conductivity

-

Resistivity

-

Superconducting Point

-

Magnetic Type

-

Mass Susceptibility

-

Molar Susceptibility

-

Volume Susceptibility

Material Composition

-

Universe

-

Meteorites

-

Sun

-

Earth Crust

-

Oceans

-

Humans

271.133'930'0

Atomic Weight

-

Atomic Radius

143 pm

Covalent Radius Single Bond

128 pm

Covalent Radius Double Bond

121 pm

Covalent Radius Triple Bond

132 pm

Van der Waals Radius

[Rn]7s²5f¹⁴6d⁴

Electron Configuration

Cubic, Body-centred

Crystal Structure

35.000'00 g/cm³

Density as Solid

-

Density as Liquid

-

Density as Gas

-

Space Group Name

-

Space Group Number

-

Lattice Angles

-

Lattice Constants

1.94 hour

Half Life

2.78 hours

Lifetime

6d⁴ = 6, 2, +1, +1/2

Quantum Numbers

-

Neutron Cross Section

-

Neutron Mass Absorption

Stable Isotopes

NONE

Unstable Isotopes

Isotopes Overview

Isotope	Stability	Symbol	Type	Protons		Neutrons		Spin	Parity	Mass		Abundance		Mass Measure	Mass Excess		Binding Energy		Dipole Moment	Quadrupole Moment	Halflife in Years		Halflife in Seconds		A01 Decay Probability		A01 Decay Mode	A01 Decay Energy		A01 Decay Daughter	A01 Decay Link	A02 Decay Mode	A02 Decay Energy		A02 Decay Daughter	A02 Decay Link	Y01 Decay Product Yield		Y01 Decay Product Nuclide	Y02 Decay Product Yield		Y02 Decay Product Nuclide	Y03 Decay Product Yield		Y03 Decay Product Nuclide	Y04 Decay Product Yield		Y04 Decay Product Nuclide	Y05 Decay Product Yield		Y05 Decay Product Nuclide	Y06 Decay Product Yield		Y06 Decay Product Nuclide	Y07 Decay Product Yield		Y07 Decay Product Nuclide	Y08 Decay Product Yield		Y08 Decay Product Nuclide	Y09 Decay Product Yield		Y09 Decay Product Nuclide	Y10 Decay Product Yield		Y10 Decay Product Nuclide	Y11 Decay Product Yield		Y11 Decay Product Nuclide	Y12 Decay Product Yield		Y12 Decay Product Nuclide
Isotope_106_sg_258_u	Unstable	²⁵⁸Sg	Fermion	106	p	152	n	0	1	258.113'168'000'0	u	~ 0	%	~ 0	121.757'000'000'0	MeV	7.316'000'000'0	MeV	-	-	1.05E-10	year	3.300	milli-seconds ( x⁻³ )	80.000'000	%	SF	?	keV	V	²⁵⁸Sg > [ 80 % , SF , ? keV ] > V	α	9,670.000	keV	²⁵⁴Rf	²⁵⁸Sg > [ , α , 9,670.0 keV ] > ²⁵⁴Rf	0.000'000	%	²⁰⁶Pb	0.000'000	%	²⁰⁵Tl	0.000'000	%	²⁰⁸Pb	?	%	²⁰⁶Pb	?	%	¹⁷⁶Hf	?	%	¹⁶⁰Dy	?	%	¹⁴⁰Ce	?	%	¹⁵²Sm	?	%	¹⁸⁰Hf	?	%	¹⁵⁶Gd	?	%	¹⁶⁸Er	?	%	¹⁶⁴Dy
Isotope_106_sg_259_u	Unstable	²⁵⁹Sg	Boson	106	p	153	n	1/2	1	259.114'500'000'0	u	~ 0	%	~ 0	105.415'000'000'0	MeV	7.341'000'000'0	MeV	-	-	1.84E-8	year	580.000	milli-seconds ( x⁻³ )	90.000'000	%	α	9,834.000	keV	²⁵⁵Rf	²⁵⁹Sg > [ 90 % , α , 9,834.0 keV ] > ²⁵⁵Rf	SF	?	keV	V	²⁵⁹Sg > [ , SF , ? keV ] > V	43.033'401	%	²⁰⁷Pb	0.000'000	%	²⁰⁵Tl	0.000'000	%	²⁰⁶Pb	0.000'000	%	¹⁶⁰Dy	0.000'000	%	¹⁴⁰Ce	?	%	¹⁷²Yb	?	%	¹⁷⁶Hf	?	%	¹⁵²Sm	?	%	¹⁸⁰Hf	?	%	¹⁵⁶Gd	?	%	¹⁶⁸Er	?	%	¹⁶⁴Dy
Isotope_106_sg_260_u	Unstable	²⁶⁰Sg	Fermion	106	p	154	n	0	1	260.114'422'071'0	u	~ 0	%	~ 0	106.656'000'000'0	MeV	7.339'000'000'0	MeV	-	-	7.22E-6	year	228.000	seconds ( x⁰ )	60.000'000	%	SF	?	keV	V	²⁶⁰Sg > [ 60 % , SF , ? keV ] > V	α	9,922.800	keV	²⁵⁶Rf	²⁶⁰Sg > [ , α , 9,922.8 keV ] > ²⁵⁶Rf	0.086'177	%	²⁰⁸Pb	0.000'000	%	²⁰⁶Pb	?	%	²⁰⁰Hg	0.000'000	%	²⁰⁸Pb
Isotope_106_sg_261_u	Unstable	²⁶¹Sg	Boson	106	p	155	n	7/2	1	261.116'117'000'0	u	~ 0	%	~ 0	106.583'474'000'0	MeV	7.342'424'000'0	MeV	-	-	7.29E-9	year	230.000	milli-seconds ( x⁻³ )	100.000'000	%	α	9,803.000	keV	²⁵⁷Rf	²⁶¹Sg > [ 100 % , α , 9,803.0 keV ] > ²⁵⁷Rf	SF	?	keV	V	²⁶¹Sg > [ , SF , ? keV ] > V	99.476'033	%	²⁰⁵Tl	0.000'000	%	²⁰⁷Pb
Isotope_106_sg_262_u	Unstable	²⁶²Sg	Fermion	106	p	156	n	0	1	262.116'398'000'0	u	~ 0	%	~ 0	108.162'000'000'0	MeV	7.339'000'000'0	MeV	-	-	2.54E-10	year	8.000	milli-seconds ( x⁻³ )	78.000'000	%	SF	?	keV	V	²⁶²Sg > [ 78 % , SF , ? keV ] > V	α	9,600.000	keV	²⁵⁸Rf	²⁶²Sg > [ , α , 9,600.0 keV ] > ²⁵⁸Rf	2.853'630	%	²⁰⁶Pb	0.000'000	%	²⁰⁵Tl	0.000'000	%	²⁰⁸Pb
Isotope_106_sg_263_u	Unstable	²⁶³Sg	Boson	106	p	157	n	9/2	1	263.118'322'000'0	u	~ 0	%	~ 0	108.424'000'000'0	MeV	7.341'000'000'0	MeV	-	-	3.17E-8	year	1,000.000	milliseconds ( x⁻³ )	70.000'000	%	α	9,391.000	keV	²⁵⁹Rf	²⁶³Sg > [ 70 % , α , 9,391.0 keV ] > ²⁵⁹Rf	SF	?	keV	V	²⁶³Sg > [ , SF , ? keV ] > V	64.743'399	%	²⁰⁷Pb	0.000'000	%	²⁰⁵Tl	0.000'000	%	²⁰⁶Pb	0.000'000	%	¹⁶⁰Dy	0.000'000	%	¹⁴⁰Ce	?	%	¹⁷²Yb	?	%	¹⁷⁶Hf	?	%	¹⁵²Sm	?	%	¹⁸⁰Hf	?	%	¹⁵⁶Gd	?	%	¹⁶⁸Er	?	%	¹⁶⁴Dy
Isotope_106_sg_264_u	Unstable	²⁶⁴Sg	Fermion	106	p	158	n	0	1	264.118'931'000'0	u	~ 0	%	~ 0	110.216'000'000'0	MeV	7.337'000'000'0	MeV	-	-	1.27E-8	year	400.000	milli-seconds ( x⁻³ )	?	%	α	9,210.000	keV	²⁶⁰Rf	²⁶⁴Sg > [ ? % , α , 9,210.0 keV ] > ²⁶⁰Rf						?	%	²⁰⁸Pb	?	%	²⁰⁶Pb	?	%	²⁰⁰Hg	0.000'000	%	²⁰⁸Pb
Isotope_106_sg_265_u	Unstable	²⁶⁵Sg	Boson	106	p	159	n	3/2	1	265.121'114'693'0	u	~ 0	%	~ 0	110.784'000'000'0	MeV	7.338'000'000'0	MeV	-	-	2.54E-7	year	8.000	seconds ( x⁰ )	50.000'000	%	α	9,077.300	keV	²⁶¹Rf	²⁶⁵Sg > [ 50 % , α , 9,077.3 keV ] > ²⁶¹Rf	SF	?	keV	V	²⁶⁵Sg > [ , SF , ? keV ] > V	30.016'825	%	²⁰⁵Tl	0.000'000	%	²⁰⁷Pb
Isotope_106_sg_266_u	Unstable	²⁶⁶Sg	Fermion	106	p	160	n	0	1	266.122'065'000'0	u	~ 0	%	~ 0	112.817'611'000'0	MeV	7.332'652'000'0	MeV	-	-	6.65E-7	year	21.000	seconds ( x⁰ )	66.000'000	%	SF	?	keV	V	²⁶⁶Sg > [ 66 % , SF , ? keV ] > V	α	8,884.200	keV	²⁶²Rf	²⁶⁶Sg > [ , α , 8,884.2 keV ] > ²⁶²Rf	0.000'003	%	²⁰⁶Pb	0.000'000	%	²⁰⁵Tl	0.000'000	%	²⁰⁸Pb
Isotope_106_sg_267_u	Unstable	²⁶⁷Sg	Boson	106	p	161	n	?	0	267.124'425'000'0	u	~ 0	%	~ 0	113.703'000'000'0	MeV	7.332'000'000'0	MeV	-	-	6.02E-10	year	19.000	milli-seconds ( x⁻³ )	100.000'000	%	α	8,640.000	keV	²⁶³Rf	²⁶⁷Sg > [ 100 % , α , 8,640.0 keV ] > ²⁶³Rf						22.659'940	%	²⁰⁷Pb	0.000'000	%	²⁰⁵Tl	0.000'000	%	²⁰⁶Pb	0.000'000	%	¹⁶⁰Dy	0.000'000	%	¹⁴⁰Ce	?	%	¹⁷²Yb	?	%	¹⁷⁶Hf	?	%	¹⁵²Sm	?	%	¹⁸⁰Hf	?	%	¹⁵⁶Gd	?	%	¹⁶⁸Er	?	%	¹⁶⁴Dy
Isotope_106_sg_268_u	Unstable	²⁶⁸Sg	Fermion	106	p	162	n	0	1	268.125'606'000'0	u	~ 0	%	~ 0	115.901'000'000'0	MeV	7.327'000'000'0	MeV	-	-	9.51E-7	year	30.000	seconds ( x⁰ )	?	%	α	8,400.000	keV	²⁶⁴Rf	²⁶⁸Sg > [ ? % , α , 8,400.0 keV ] > ²⁶⁴Rf	SF	?	keV	V	²⁶⁸Sg > [ , SF , ? keV ] > V										0.000'000	%	²⁰⁸Pb
Isotope_106_sg_269_u	Unstable	²⁶⁹Sg	Boson	106	p	163	n	?	0	269.128'755'000'0	u	~ 0	%	~ 0	117.001'000'000'0	MeV	7.325'000'000'0	MeV	-	-	1.11E-6	year	34.980	seconds ( x⁰ )	100.000'000	%	α	8,800.000	keV	²⁶⁵Rf	²⁶⁹Sg > [ 100 % , α , 8,800.0 keV ] > ²⁶⁵Rf	SF	?	keV	V	²⁶⁹Sg > [ , SF , ? keV ] > V	?	%	²⁰⁵Tl	?	%	²⁰⁷Pb
Isotope_106_sg_270_u	Unstable	²⁷⁰Sg	Fermion	106	p	164	n	0	1	270.130'329'000'0	u	~ 0	%	~ 0	119.934'000'000'0	MeV	7.317'000'000'0	MeV	-	-	1.90E-5	year	600.000	seconds ( x⁰ )	?	%	α	9,100.000	keV	²⁶⁶Rf	²⁷⁰Sg > [ ? % , α , 9,100.0 keV ] > ²⁶⁶Rf	SF	?	keV	V	²⁷⁰Sg > [ , SF , ? keV ] > V	?	%	¹⁷²Yb	?	%	²⁰⁵Tl	?	%	²⁰⁸Pb
Isotope_106_sg_271_u	Unstable	²⁷¹Sg	Boson	106	p	165	n	?	0	271.133'472'000'0	u	~ 0	%	~ 0	121.400'000'000'0	MeV	7.315'000'000'0	MeV	-	-	3.69E-6	year	116.400	seconds ( x⁰ )	?	%	α	8,700.000	keV	²⁶⁷Rf	²⁷¹Sg > [ ? % , α , 8,700.0 keV ] > ²⁶⁷Rf	SF	?	keV	V	²⁷¹Sg > [ , SF , ? keV ] > V										?	%	²⁰⁶Pb	?	%	¹⁷⁶Hf	?	%	¹⁶⁰Dy	?	%	¹⁴⁰Ce	?	%	¹⁵²Sm	?	%	¹⁸⁰Hf	?	%	¹⁵⁶Gd	?	%	¹⁶⁸Er	?	%	¹⁶⁴Dy
Isotope_106_sg_272_u	Unstable	²⁷²Sg	Fermion	106	p	166	n	0	1	272.135'158'000'0	u	~ 0	%	~ 0	124.329'000'000'0	MeV	7.307'000'000'0	MeV	-	-	1.27E-4	year	3.996	kilo-seconds ( x³ )	?	%	α	8,300.000	keV	²⁶⁸Rf	²⁷²Sg > [ ? % , α , 8,300.0 keV ] > ²⁶⁸Rf	SF	?	keV	V	²⁷²Sg > [ , SF , ? keV ] > V
Isotope_106_sg_273_u	Unstable	²⁷³Sg	Boson	106	p	167	n	?	0	273.138'220'000'0	u	~ 0	%	~ 0	125.898'000'000'0	MeV	7.304'000'000'0	MeV	-	-	1.90E-6	year	60.000	seconds ( x⁰ )

106 – Seaborgium, Sg

106 – Seaborgium, Sg

106 – Seaborgium, Sg

106 – Seaborgium, Sg

106 – Seaborgium, Sg

Spectrograph

Elemental Tile

Seaborgium

Spectrograph

Elemental Tile

Seaborgium

Spectrograph

Elemental Tile

Seaborgium

Spectrograph

Elemental Tile

Seaborgium

Spectrograph

Elemental Tile

Seaborgium