Aktinij (Ac)

chemical element with the atomic number of 89

Atomski broj	89
Relativna atomska masa	227
Maseni broj	205

Skupina	3
Perioda	7
Blok	d

proton	89 p⁺
neutron	116 n⁰
elektron	89 e^-

Animated Bohrov model atoma of Ac (Aktinij)

Physical Property

Atomski Radijus	195 pm 293 pm
Molni volumen	22,54 cm³/mol
Kovalentni Radijus	186 pm 153 pm 140 pm 215 pm
Metallic Radius
Ionski radijus	112 pm 122 pm
Crystal Radius	126 pm 136 pm
Van der Waals radius	247 pm 308 pm 347,8 pm
gustoća	10 g/cm³

Kemijsko Svojstvo

energija

proton affinity
Elektronski afinitet	0,35 eV/particle
ionization energy	5,380226 eV/particle 11,75 eV/particle 17,431 eV/particle 44,8 eV/particle 55 eV/particle 67 eV/particle 79 eV/particle 98,9 eV/particle 113,9 eV/particle 143,9 eV/particle 161,1 eV/particle 233 eV/particle 255 eV/particle 279 eV/particle 305 eV/particle 330 eV/particle 355 eV/particle 390 eV/particle 416 eV/particle 444 eV/particle 470 eV/particle 610 eV/particle 640 eV/particle 670 eV/particle 710 eV/particle 780 eV/particle 820 eV/particle 920 eV/particle 950 eV/particle 1.030 eV/particle 1.100 eV/particle 1.170 eV/particle 1.240 eV/particle 1.310 eV/particle 1.380 eV/particle 1.460 eV/particle 1.530 eV/particle 1.610 eV/particle 1.680 eV/particle 1.750 eV/particle 1.820 eV/particle 1.900 eV/particle 1.970 eV/particle 2.298 eV/particle 2.362 eV/particle 2.430 eV/particle 2.503 eV/particle 2.572 eV/particle 2.639 eV/particle 2.762 eV/particle 2.833 eV/particle 2.908 eV/particle 2.980 eV/particle 3.264 eV/particle 3.334 eV/particle 3.409 eV/particle 3.479 eV/particle 3.811 eV/particle 3.893 eV/particle 4.093 eV/particle 4.175 eV/particle 6.767 eV/particle 6.923 eV/particle 7.088 eV/particle 7.265 eV/particle 7.430 eV/particle 7.600 eV/particle 7.950 eV/particle 8.120 eV/particle 8.310 eV/particle 8.480 eV/particle 8.970 eV/particle 9.120 eV/particle 9.290 eV/particle 9.440 eV/particle 10.480 eV/particle 10.660 eV/particle 11.030 eV/particle 11.200 eV/particle 23.480 eV/particle 23.890 eV/particle 24.340 eV/particle 24.760 eV/particle 28.610 eV/particle 29.160 eV/particle 29.850 eV/particle 30.293 eV/particle 119.939 eV/particle 122.062,9 eV/particle

Toplina isparivanja	292,9 kJ/mol
toplina taljenja	10,5 kJ/mol
standard enthalpy of formation	406 kJ/mol
elektron

Elektronska ljuska	2, 8, 18, 32, 18, 9, 2

valence electron	2 ⓘ

electron configuration	[Rn] 6d¹ 7s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 6d¹ 7s²

Oksidacijski broj	2, 3
Elektronegativnost	0.10033 1.1
Electrophilicity Index	0,8159546412794374 eV/particle
fundamental state of matter

agregatno stanje	Čvrsto
gaseous state of matter
Vrelište	3.473,15 K
Talište	1.323,15 K
critical pressure
critical temperature
Trojna točka
appearance
boja	Srebrna #ffffff #70abfa #70abfa
appearance
Indeks prelamanja
thermodynamic material property
Toplinska vodljivost
Toplinsko istezanje
molar heat capacity	27,2 J/(mol K)
Specifični toplinski kapacitet	0,12 J/(g⋅K)
heat capacity ratio
electrical properties
type
electrical conductivity
Električna otpornost i provodnost
Supravodljivost
Magnetizam
type
Magnetna susceptibilnost (Mass)
Magnetna susceptibilnost (Molar)
Magnetna susceptibilnost (Volume)
magnetic ordering
Curieva temperatura
Néel temperature
struktura
Kristalna struktura	Kubna plošno centrirana (FCC)
lattice constant	5,31 Å
Lattice Angles	π/2, π/2, π/2
mechanical property
Tvrdoća
bulk modulus
shear modulus
Youngov modul elastičnosti
Poissonov omjer
brzina zvuka
classification
Kategorija	Aktinoidi, Actinides
CAS Group	IIIA
IUPAC Group	IIIB
Glawe Number	33
Mendeleev Number	14
Pettifor Number	48
Geochemical Class	U/Th decay series
Goldschmidt classification	synthetic

other

Gas Basicity
polarizability	203 ± 12 a₀
C6 Dispersion Coefficient
allotrope
Nuklearni udarni presjek	880
Neutron Mass Absorption	0,078
Kvantni brojevi	2D3/2
space group	225 (Fm_3m)

Isotopes of Actinium

Stabilni izotopi	0
Nestabilni izotopi	33
Natural Isotopes	0

²⁰⁵Ac

Maseni broj	205
neutron number	116
Relativna atomska masa	205,015144152 ± 0,000063682 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	80 ± 60 ms
spin	9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	2014
Parnost	-

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

²⁰⁶Ac

Maseni broj	206
neutron number	117
Relativna atomska masa	206,014476477 ± 0,000069874 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	25 ± 7 ms
spin	3
nuclear quadrupole moment
vrijeme otkrića ili izuma	1998
Parnost	+

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

²⁰⁷Ac

Maseni broj	207
neutron number	118
Relativna atomska masa	207,011965967 ± 0,000060384 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	31 ± 8 ms
spin	9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1994
Parnost	-

decay mode	intensity
α (α emission)	100%

²⁰⁸Ac

Maseni broj	208
neutron number	119
Relativna atomska masa	208,011552251 ± 0,000069225 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	97 ± 15 ms
spin	3
nuclear quadrupole moment
vrijeme otkrića ili izuma	1994
Parnost	+

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

²⁰⁹Ac

Maseni broj	209
neutron number	120
Relativna atomska masa	209,009495375 ± 0,000059953 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	94 ± 10 ms
spin	9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1968
Parnost	-

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

²¹⁰Ac

Maseni broj	210
neutron number	121
Relativna atomska masa	210,009408625 ± 0,000066782 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	350 ± 40 ms
spin	7
nuclear quadrupole moment
vrijeme otkrića ili izuma	1968
Parnost	+

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

²¹¹Ac

Maseni broj	211
neutron number	122
Relativna atomska masa	211,007668846 ± 0,000057706 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	213 ± 25 ms
spin	9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1968
Parnost	-

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

²¹²Ac

Maseni broj	212
neutron number	123
Relativna atomska masa	212,007836442 ± 0,000023492 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	895 ± 28 ms
spin	7
nuclear quadrupole moment
vrijeme otkrića ili izuma	1968
Parnost	+

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

²¹³Ac

Maseni broj	213
neutron number	124
Relativna atomska masa	213,006592665 ± 0,000012522 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	738 ± 16 ms
spin	9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1968
Parnost	-

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

²¹⁴Ac

Maseni broj	214
neutron number	125
Relativna atomska masa	214,0069064 ± 0,000014547 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	8,2 ± 0,2 s
spin	5
nuclear quadrupole moment
vrijeme otkrića ili izuma	1968
Parnost	+

decay mode	intensity
α (α emission)	93%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	7%

²¹⁵Ac

Maseni broj	215
neutron number	126
Relativna atomska masa	215,006474061 ± 0,000013318 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	171 ± 10 ms
spin	9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1968
Parnost	-

decay mode	intensity
α (α emission)	100%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	0.09%

²¹⁶Ac

Maseni broj	216
neutron number	127
Relativna atomska masa	216,008749101 ± 0,000009908 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	440 ± 16 us
spin	1
nuclear quadrupole moment
vrijeme otkrića ili izuma	1967
Parnost	-

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

²¹⁷Ac

Maseni broj	217
neutron number	128
Relativna atomska masa	217,009342325 ± 0,000012048 Da
g-factor	0,85111111111111 ± 0,011111111111111
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	69 ± 4 ns
spin	9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1972
Parnost	-

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

²¹⁸Ac

Maseni broj	218
neutron number	129
Relativna atomska masa	218,01164886 ± 0,000061853 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1 ± 0,04 us
spin	1
nuclear quadrupole moment
vrijeme otkrića ili izuma	1970
Parnost	-

decay mode	intensity
α (α emission)	100%

²¹⁹Ac

Maseni broj	219
neutron number	130
Relativna atomska masa	219,012420425 ± 0,000055263 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	9,4 ± 1 us
spin	9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1970
Parnost	-

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

²²⁰Ac

Maseni broj	220
neutron number	131
Relativna atomska masa	220,014754527 ± 0,000006579 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	26,36 ± 0,19 ms
spin	3
nuclear quadrupole moment
vrijeme otkrića ili izuma	1970
Parnost	-

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

²²¹Ac

Maseni broj	221
neutron number	132
Relativna atomska masa	221,015599721 ± 0,000061086 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	52 ± 2 ms
spin	9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1968
Parnost	-

decay mode	intensity
α (α emission)	100%

²²²Ac

Maseni broj	222
neutron number	133
Relativna atomska masa	222,017844232 ± 0,000005044 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	5 ± 0,5 s
spin	1
nuclear quadrupole moment
vrijeme otkrića ili izuma	1949
Parnost	-

decay mode	intensity
α (α emission)	99%
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	1%

²²³Ac

Maseni broj	223
neutron number	134
Relativna atomska masa	223,019135982 ± 0,000007457 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	2,1 ± 0,05 m
spin	5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1948
Parnost	-

decay mode	intensity
α (α emission)	99%
ϵ (electron capture)

²²⁴Ac

Maseni broj	224
neutron number	135
Relativna atomska masa	224,021722249 ± 0,000004389 Da
g-factor	0
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	2,78 ± 0,16 h
spin	0
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1948
Parnost	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	90.5%
α (α emission)	9.5%
β⁻ (β⁻ decay)

²²⁵Ac

Maseni broj	225
neutron number	136
Relativna atomska masa	225,023228601 ± 0,000005107 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	9,919 ± 0,0021 d
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1947
Parnost	-

decay mode	intensity
α (α emission)	100%
14C	5.3%

²²⁶Ac

Maseni broj	226
neutron number	137
Relativna atomska masa	226,026096999 ± 0,000003327 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	29,37 ± 0,12 h
spin	1
nuclear quadrupole moment
vrijeme otkrića ili izuma	1950
Parnost	-

decay mode	intensity
β⁻ (β⁻ decay)	83%
ϵ (electron capture)	17%
α (α emission)	0.006%

²²⁷Ac

Maseni broj	227
neutron number	138
Relativna atomska masa	227,027750594 ± 0,000002068 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	21,772 ± 0,003 y
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1851
Parnost	-

decay mode	intensity
β⁻ (β⁻ decay)	98.62%
α (α emission)	1.38%

²²⁸Ac

Maseni broj	228
neutron number	139
Relativna atomska masa	228,031019685 ± 0,000002247 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	6,15 ± 0,02 h
spin	3
nuclear quadrupole moment
vrijeme otkrića ili izuma	1908
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²²⁹Ac

Maseni broj	229
neutron number	140
Relativna atomska masa	229,032947 ± 0,000013 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	62,7 ± 0,5 m
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1952
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²³⁰Ac

Maseni broj	230
neutron number	141
Relativna atomska masa	230,036327 ± 0,000017 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	122 ± 3 s
spin	1
nuclear quadrupole moment
vrijeme otkrića ili izuma	1973
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ SF (β⁻-delayed fission)	1.2%

²³¹Ac

Maseni broj	231
neutron number	142
Relativna atomska masa	231,038393 ± 0,000014 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	7,5 ± 0,1 m
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1973
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²³²Ac

Maseni broj	232
neutron number	143
Relativna atomska masa	232,042034 ± 0,000014 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,98 ± 0,08 m
spin	1
nuclear quadrupole moment
vrijeme otkrića ili izuma	1986
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²³³Ac

Maseni broj	233
neutron number	144
Relativna atomska masa	233,044346 ± 0,000014 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	143 ± 10 s
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	1983
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²³⁴Ac

Maseni broj	234
neutron number	145
Relativna atomska masa	234,048139 ± 0,000015 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	45 ± 2 s
spin	1
nuclear quadrupole moment
vrijeme otkrića ili izuma	1986
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²³⁵Ac

Maseni broj	235
neutron number	146
Relativna atomska masa	235,05084 ± 0,000015 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	62 ± 4 s
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma	2006
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²³⁶Ac

Maseni broj	236
neutron number	147
Relativna atomska masa	236,054988 ± 0,000041 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	4,5 ± 3,6 m
spin	3
nuclear quadrupole moment
vrijeme otkrića ili izuma	2010
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

²³⁷Ac

Maseni broj	237
neutron number	148
Relativna atomska masa	237,057993 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	1/2
nuclear quadrupole moment	0
vrijeme otkrića ili izuma
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)

povijest

otkrio/izumio	André Debierne
location of discovery	France
vrijeme otkrića ili izuma	1899
Etimologija	Greek: akis, aktinos (ray).
pronunciation	ak-TIN-i-em (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori	0,00000000055 mg/kg
natural abundance (ocean)
natural abundance (tijelo)	0 %
natural abundance (meteoroid)
natural abundance (Sunce)	0 %
Zastupljenost u svemiru	0 %

Nuclear Screening Constants

Aktinij on ChemicalAid

Australian Educational Vocabulary ID	scot/568
BNCF Thesaurus ID	67637
BNF	121509422
CAS registarski broj	7440-34-8
ChEBI ID	33337
ChemSpider ID	22404
DSSTOX compound identifier	DTXCID10147879
DSSTox substance ID	DTXSID10225388
Den Store Danske ID	actinium
Drugbank ID	12860
Encyclopedia of China ID (Second Edition)	190793
Encyclopædia Universalis ID	actinium
Freebase ID	/m/027sjs4
GEMET ID	68
GND identifikator	4523163-1
Gran Enciclopèdia Catalana ID	0074647
Great Russian Encyclopedia Online ID	1807988
ID oznaka teme na Quori	Actinium
ID oznaka u mrežnoj enciklopediji Britannici	science/actinium
InChI	InChI=1S/Ac
InChIKey	QQINRWTZWGJFDB-UHFFFAOYSA-N
KBpedia ID	Actinium
LCCN	sh85000706
MeSH ID	D000186
NALT ID	3219
NKCR broj	ph543052
Namuwiki ID	악티늄
National Library of Israel J9U ID	987007293853405171
PSH ID	5759
Probes And Drugs ID	PD058409
PubChem ID	23965
Römpp online ID	RD-01-00659
Store norske leksikon ID	actinium
Treccani ID	attinio
UNII	NIK1K0956U
USGS Thesaurus ID	1385
WordNet 3.1 Synset ID	14651833-n
značenje prema OmegaWiki	33

Aktinij (Ac)

Physical Property

Kemijsko Svojstvo

other

Isotopes of Actinium

205Ac

206Ac

207Ac

208Ac

209Ac

210Ac

211Ac

212Ac

213Ac

214Ac

215Ac

216Ac

217Ac

218Ac

219Ac

220Ac

221Ac

222Ac

223Ac

224Ac

225Ac

226Ac

227Ac

228Ac

229Ac

230Ac

231Ac

232Ac

233Ac

234Ac

235Ac

236Ac

237Ac

povijest

source

Nuclear Screening Constants

²⁰⁵Ac

²⁰⁶Ac

²⁰⁷Ac

²⁰⁸Ac

²⁰⁹Ac

²¹⁰Ac

²¹¹Ac

²¹²Ac

²¹³Ac

²¹⁴Ac

²¹⁵Ac

²¹⁶Ac

²¹⁷Ac

²¹⁸Ac

²¹⁹Ac

²²⁰Ac

²²¹Ac

²²²Ac

²²³Ac

²²⁴Ac

²²⁵Ac

²²⁶Ac

²²⁷Ac

²²⁸Ac

²²⁹Ac

²³⁰Ac

²³¹Ac

²³²Ac

²³³Ac

²³⁴Ac

²³⁵Ac

²³⁶Ac

²³⁷Ac