radioactive element Comparison Table

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radioactive element comparison table

Subject has pronunciation has space group has thermal neutron capture cross section has isotope mass range has heat of vaporization has discoverer has thermal conductivity has discovery date has name origin has linear expansion coefficient has heat of fusion has specimen has daily dietary intake has mineral has melting point has neutron scattering length has origin has image has term symbol has crystal cell dimension has mass of element in person has phase changed temperature is a kind of has heat capacity has molar volume has definition has boiling point has hazard has biological role has ionic radii has electrical resistivity has relative atomic mass has chief source has registry number has density has atomic radii has atomic number has mass magnetic susceptibility has discovery location has number of isotope has abundance has heat of sublimation has atomic emission line reacts with has longest lived isotope has filling orbital has symbol has use has crystal type has world production has electron configuration has number of proton has mass absorption coefficient has level in human has electronegativity has group

actinium ak-tin-iuhm Fm3m 209 to 232 418 kJ mol^-1 Andre Debierne 12 W m^-1 K^-1 at 300 K 1899 aktinos from Greek word for 'ray' 14.9 K^-1 14.2 kJ mol^-1 not commerecially available nil 1320 ± 50 K ²D_3/2 in ground state a = 531.1 pm nil for a 70 kg average person radioactive element 20.84 J K^-1 mol^-1 for gas at constant pressure 0.1 MPa at 298.15 K 22.6 cm³ soft, silvery-white, radioactive metal which glows in the dark 3470 ± 300 K never encountered normally, dangerous because it is a powerful source of α-radiation, element found only inside nuclear facilities or research laboratories none 118 pm for Ac³⁺ 227.0728 for ²²⁷Ac in units of ¹²C = 12.000 uranium ore contain 0.2 p.p.m. 7440-34-8 for Chemical Abstracts System database 10060 kg m^-3 for solid at 293 K 188 pm 89 Paris, France 26 nil in seawater 51.9 ± 0.5 kJ mol^-1 591.085 nm for Ac II water to release hydrogen gas actinium 227 5f Ac f.c.c. probably less than a gram [Rn]6d¹7s² in ground state 89 cm² g^-1 for MoK_α X-ray diffraction nil 1.1 Pauling a column number in the table of the elements

americium amer-is-iuhm Fm3m for β phase 75.3 barns 227 to 247 284 kJ mol^-1 Glen T. Seaborg, R.A. James, L.O. Morgan, and A. Ghiorso 10 W m^-1 K^-1 at 300 K 1944 america from English 14.4 kJ mol^-1 nil none 1445 K 0.83 in 10^-12 cm units ⁸S_7/2 in ground state a = 489.4 pm for β phase nil for a 70 kg average person 1347 K at α to β phase crystal transition radioactive element 17.78 cm³ radioactive silvery metal which does not occur naturally 2880 K intense α-radiation, maximum permissible body burden of ²⁴¹Am is 0.03 μCi - it targets bone. γ radiation is a problem in gram amounts. none 107 pm for Am³⁺ 68 × 10^-8 Ω m 243.0614 for americium 243 in units of ¹²C = 12.000 7440-35-9 for Chemical Abstracts System database 13670 kg m^-3 for solid at 293 K 173 pm 95 +5 × 10^-8 kg^-1 m³ Chicago, Illinois, US 23 including nuclear isomers nil in seawater 34.2 kJ mol^-1 605.464 nm for Am I (strong) air, steam and acids, but not alkalis americium 243 5f Am source of radiation for γ-radiotherapy f.c.c. for β phase probably a few kilograms per year [Rn]5f⁷7s² in ground state 95 nil 1.3 Pauling a column number in the table of the elements

supernova produced radioactive element exploding core of a supernova supernova produced element a radioactive element produced within the core of an exploding supernova

Next element: supernova produced element Up: element, radioactive particle Previous element: planetary element

Subject	has pronunciation	has space group	has thermal neutron capture cross section	has isotope mass range	has heat of vaporization	has discoverer	has thermal conductivity	has discovery date	has name origin	has linear expansion coefficient	has heat of fusion	has specimen	has daily dietary intake	has mineral	has melting point	has neutron scattering length	has origin	has image	has term symbol	has crystal cell dimension	has mass of element in person	has phase changed temperature	is a kind of	has heat capacity	has molar volume	has definition	has boiling point	has hazard	has biological role	has ionic radii	has electrical resistivity	has relative atomic mass	has chief source	has registry number	has density	has atomic radii	has atomic number	has mass magnetic susceptibility	has discovery location	has number of isotope	has abundance	has heat of sublimation	has atomic emission line	reacts with	has longest lived isotope	has filling orbital	has symbol	has use	has crystal type	has world production	has electron configuration	has number of proton	has mass absorption coefficient	has level in human	has electronegativity	has group
actinium	ak-tin-iuhm	Fm3m		209 to 232	418 kJ mol^-1	Andre Debierne	12 W m^-1 K^-1 at 300 K	1899	aktinos from Greek word for 'ray'	14.9 K^-1	14.2 kJ mol^-1	not commerecially available	nil		1320 ± 50 K				²D_3/2 in ground state	a = 531.1 pm	nil for a 70 kg average person		radioactive element	20.84 J K^-1 mol^-1 for gas at constant pressure 0.1 MPa at 298.15 K	22.6 cm³	soft, silvery-white, radioactive metal which glows in the dark	3470 ± 300 K	never encountered normally, dangerous because it is a powerful source of α-radiation, element found only inside nuclear facilities or research laboratories	none	118 pm for Ac³⁺		227.0728 for ²²⁷Ac in units of ¹²C = 12.000	uranium ore contain 0.2 p.p.m.	7440-34-8 for Chemical Abstracts System database	10060 kg m^-3 for solid at 293 K	188 pm	89		Paris, France	26	nil in seawater	51.9 ± 0.5 kJ mol^-1	591.085 nm for Ac II	water to release hydrogen gas	actinium 227	5f	Ac		f.c.c.	probably less than a gram	[Rn]6d¹7s² in ground state	89	cm² g^-1 for MoK_α X-ray diffraction	nil	1.1 Pauling	a column number in the table of the elements
americium	amer-is-iuhm	Fm3m for β phase	75.3 barns	227 to 247	284 kJ mol^-1	Glen T. Seaborg, R.A. James, L.O. Morgan, and A. Ghiorso	10 W m^-1 K^-1 at 300 K	1944	america from English		14.4 kJ mol^-1		nil	none	1445 K	0.83 in 10^-12 cm units			⁸S_7/2 in ground state	a = 489.4 pm for β phase	nil for a 70 kg average person	1347 K at α to β phase crystal transition	radioactive element		17.78 cm³	radioactive silvery metal which does not occur naturally	2880 K	intense α-radiation, maximum permissible body burden of ²⁴¹Am is 0.03 μCi - it targets bone. γ radiation is a problem in gram amounts.	none	107 pm for Am³⁺	68 × 10^-8 Ω m	243.0614 for americium 243 in units of ¹²C = 12.000		7440-35-9 for Chemical Abstracts System database	13670 kg m^-3 for solid at 293 K	173 pm	95	+5 × 10^-8 kg^-1 m³	Chicago, Illinois, US	23 including nuclear isomers	nil in seawater	34.2 kJ mol^-1	605.464 nm for Am I (strong)	air, steam and acids, but not alkalis	americium 243	5f	Am	source of radiation for γ-radiotherapy	f.c.c. for β phase	probably a few kilograms per year	[Rn]5f⁷7s² in ground state	95		nil	1.3 Pauling	a column number in the table of the elements
supernova produced radioactive element																	exploding core of a supernova						supernova produced element			a radioactive element produced within the core of an exploding supernova