Aktinij

Aktinij (Ac)

chemical element with the atomic number of 89
Atomski broj89
Relativna atomska masa227
Maseni broj205
Skupina3
Perioda7
Blokd
proton89 p+
neutron116 n0
elektron89 e-
Animated Bohrov model atoma of Ac (Aktinij)

Physical Property

Atomski Radijus
Molni volumen
Kovalentni Radijus
Metallic Radius
Ionski radijus
Crystal Radius
Van der Waals radius
gustoća
Atomic Radii Of The Elements: Aktinij0102030405060708090100110120130140150160170180190200210220230240250pmAtomski RadijusKovalentni RadijusMetallic RadiusVan der Waals radius

Kemijsko Svojstvo

energija
proton affinity
Elektronski afinitet
ionization energy
ionization energy of Ac (Aktinij)
Toplina isparivanja
toplina taljenja
standard enthalpy of formation
elektron
Elektronska ljuska2, 8, 18, 32, 18, 9, 2
Bohrov model atoma: Ac (Aktinij)
valence electron2
Lewis structure: Ac (Aktinij)
electron configuration[Rn] 6d1 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 6d1 7s2
Enhanced Bohrov model atoma of Ac (Aktinij)
Orbital Diagram of Ac (Aktinij)
Oksidacijski broj2, 3
Elektronegativnost
1.1
Electrophilicity Index
fundamental state of matter
agregatno stanjeČvrsto
gaseous state of matter
Vrelište
Talište
critical pressure
critical temperature
Trojna točka
appearance
boja
Srebrna
appearance
Indeks prelamanja
thermodynamic material property
Toplinska vodljivost
Toplinsko istezanje
molar heat capacity
Specifični toplinski kapacitet
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 strukturaKubna plošno centrirana (FCC)
lattice constant
Lattice Anglesπ/2, π/2, π/2
mechanical property
Tvrdoća
bulk modulus
shear modulus
Youngov modul elastičnosti
Poissonov omjer
brzina zvuka
classification
KategorijaAktinoidi, Actinides
CAS GroupIIIA
IUPAC GroupIIIB
Glawe Number33
Mendeleev Number14
Pettifor Number48
Geochemical ClassU/Th decay series
Goldschmidt classificationsynthetic

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Nuklearni udarni presjek
880
Neutron Mass Absorption
0,078
Kvantni brojevi2D3/2
space group225 (Fm_3m)

Isotopes of Actinium

Stabilni izotopi0
Nestabilni izotopi33
Natural Isotopes0

205Ac

Maseni broj205
neutron number116
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
80 ± 60 ms
spin9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2014
Parnost-

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

206Ac

Maseni broj206
neutron number117
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
25 ± 7 ms
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1998
Parnost+

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

207Ac

Maseni broj207
neutron number118
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
31 ± 8 ms
spin9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1994
Parnost-

decay modeintensity
α (α emission)100%

208Ac

Maseni broj208
neutron number119
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
97 ± 15 ms
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1994
Parnost+

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

209Ac

Maseni broj209
neutron number120
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
94 ± 10 ms
spin9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1968
Parnost-

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

210Ac

Maseni broj210
neutron number121
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
350 ± 40 ms
spin7
nuclear quadrupole moment
vrijeme otkrića ili izuma1968
Parnost+

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

211Ac

Maseni broj211
neutron number122
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
213 ± 25 ms
spin9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1968
Parnost-

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

212Ac

Maseni broj212
neutron number123
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
895 ± 28 ms
spin7
nuclear quadrupole moment
vrijeme otkrića ili izuma1968
Parnost+

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

213Ac

Maseni broj213
neutron number124
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
738 ± 16 ms
spin9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1968
Parnost-

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

214Ac

Maseni broj214
neutron number125
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
8,2 ± 0,2 s
spin5
nuclear quadrupole moment
vrijeme otkrića ili izuma1968
Parnost+

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

215Ac

Maseni broj215
neutron number126
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
171 ± 10 ms
spin9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1968
Parnost-

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

216Ac

Maseni broj216
neutron number127
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
440 ± 16 us
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1967
Parnost-

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

217Ac

Maseni broj217
neutron number128
Relativna Atomska Masa
g-factor
0,85111111111111 ± 0,011111111111111
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
69 ± 4 ns
spin9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1972
Parnost-

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

218Ac

Maseni broj218
neutron number129
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1 ± 0,04 us
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1970
Parnost-

decay modeintensity
α (α emission)100%

219Ac

Maseni broj219
neutron number130
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
9,4 ± 1 us
spin9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1970
Parnost-

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

220Ac

Maseni broj220
neutron number131
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
26,36 ± 0,19 ms
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1970
Parnost-

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

221Ac

Maseni broj221
neutron number132
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
52 ± 2 ms
spin9/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1968
Parnost-

decay modeintensity
α (α emission)100%

222Ac

Maseni broj222
neutron number133
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5 ± 0,5 s
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1949
Parnost-

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

223Ac

Maseni broj223
neutron number134
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,1 ± 0,05 m
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1948
Parnost-

decay modeintensity
α (α emission)99%
ϵ (electron capture)

224Ac

Maseni broj224
neutron number135
Relativna Atomska Masa
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,78 ± 0,16 h
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1948
Parnost-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)90.5%
α (α emission)9.5%
β (β decay)

225Ac

Maseni broj225
neutron number136
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
9,919 ± 0,0021 d
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1947
Parnost-

decay modeintensity
α (α emission)100%
14C5.3%

226Ac

Maseni broj226
neutron number137
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
29,37 ± 0,12 h
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1950
Parnost-

decay modeintensity
β (β decay)83%
ϵ (electron capture)17%
α (α emission)0.006%

227Ac

Maseni broj227
neutron number138
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
21,772 ± 0,003 y
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1851
Parnost-

decay modeintensity
β (β decay)98.62%
α (α emission)1.38%

228Ac

Maseni broj228
neutron number139
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
6,15 ± 0,02 h
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1908
Parnost+

decay modeintensity
β (β decay)100%

229Ac

Maseni broj229
neutron number140
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
62,7 ± 0,5 m
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1952
Parnost+

decay modeintensity
β (β decay)100%

230Ac

Maseni broj230
neutron number141
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
122 ± 3 s
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1973
Parnost+

decay modeintensity
β (β decay)100%
β SF (β-delayed fission)1.2%

231Ac

Maseni broj231
neutron number142
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
7,5 ± 0,1 m
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1973
Parnost+

decay modeintensity
β (β decay)100%

232Ac

Maseni broj232
neutron number143
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,98 ± 0,08 m
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1986
Parnost+

decay modeintensity
β (β decay)100%

233Ac

Maseni broj233
neutron number144
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
143 ± 10 s
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1983
Parnost+

decay modeintensity
β (β decay)100%

234Ac

Maseni broj234
neutron number145
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
45 ± 2 s
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1986
Parnost+

decay modeintensity
β (β decay)100%

235Ac

Maseni broj235
neutron number146
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
62 ± 4 s
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma2006
Parnost+

decay modeintensity
β (β decay)100%

236Ac

Maseni broj236
neutron number147
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,5 ± 3,6 m
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma2010
Parnost+

decay modeintensity
β (β decay)100%

237Ac

Maseni broj237
neutron number148
Relativna Atomska Masa
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma
Parnost+

decay modeintensity
β (β decay)
Actinium sample (31481701837)
Electron shell 089 Actinium

povijest

otkrio/izumioAndré Debierne
location of discoveryFrance
vrijeme otkrića ili izuma1899
EtimologijaGreek: akis, aktinos (ray).
pronunciationak-TIN-i-em (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori
natural abundance (ocean)
natural abundance (tijelo)
0 %
natural abundance (meteoroid)
natural abundance (Sunce)
0 %
Zastupljenost u svemiru
0 %

Nuclear Screening Constants