Актини

Актини (Ac)

chemical element with the atomic number of 89
Atomic Number89
Atomic Weight227
жингийн тоо205
Group3
Period7
Blockd
Протон89 p+
Нейтрон116 n0
Электрон89 e-
Animated Bohr model of Ac (Актини)

Physical Property

Atomic Radius
molar volume
Covalent Radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Актини0102030405060708090100110120130140150160170180190200210220230240250pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

энерги
proton affinity
electron affinity
ionization energy
ionization energy of Ac (Актини)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Электрон
electron shell2, 8, 18, 32, 18, 9, 2
Bohr model: Ac (Актини)
valence electron2
Lewis structure: Ac (Актини)
electron configuration[Rn] 6d1 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 6d1 7s2
Enhanced Bohr model of Ac (Актини)
Orbital Diagram of Ac (Актини)
Исэлдэлтийн зэрэг2, 3
Цахилгаан сөрөг чанар
1.1
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
Гурван фазын цэг
appearance
Өнгө
Silver
appearance
Хугалах илтгэгч
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
electrical conductivity
electrical resistivity
Хэт дамжуулагч
magnetism
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal StructureFace Centered Cubic (FCC)
lattice constant
Lattice Anglesπ/2, π/2, π/2
mechanical property
Хатуулаг
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
Дууны хурд
classification
CategoryActinides, 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
Neutron cross section
880
Neutron Mass Absorption
0.078
quantum number2D3/2
space group225 (Fm_3m)

Isotopes of Actinium

Stable Isotopes0
Unstable Isotopes33
Natural Isotopes0

205Ac

жингийн тоо205
neutron number116
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
80 ± 60 ms
spin9/2
nuclear quadrupole moment
time of discovery or invention2014
parity-

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

206Ac

жингийн тоо206
neutron number117
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
25 ± 7 ms
spin3
nuclear quadrupole moment
time of discovery or invention1998
parity+

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

207Ac

жингийн тоо207
neutron number118
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
31 ± 8 ms
spin9/2
nuclear quadrupole moment
time of discovery or invention1994
parity-

decay modeintensity
α (α emission)100%

208Ac

жингийн тоо208
neutron number119
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
97 ± 15 ms
spin3
nuclear quadrupole moment
time of discovery or invention1994
parity+

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

209Ac

жингийн тоо209
neutron number120
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
94 ± 10 ms
spin9/2
nuclear quadrupole moment
time of discovery or invention1968
parity-

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

210Ac

жингийн тоо210
neutron number121
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
350 ± 40 ms
spin7
nuclear quadrupole moment
time of discovery or invention1968
parity+

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

211Ac

жингийн тоо211
neutron number122
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
213 ± 25 ms
spin9/2
nuclear quadrupole moment
time of discovery or invention1968
parity-

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

212Ac

жингийн тоо212
neutron number123
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
895 ± 28 ms
spin7
nuclear quadrupole moment
time of discovery or invention1968
parity+

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

213Ac

жингийн тоо213
neutron number124
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
738 ± 16 ms
spin9/2
nuclear quadrupole moment
time of discovery or invention1968
parity-

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

214Ac

жингийн тоо214
neutron number125
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
8.2 ± 0.2 s
spin5
nuclear quadrupole moment
time of discovery or invention1968
parity+

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

215Ac

жингийн тоо215
neutron number126
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
171 ± 10 ms
spin9/2
nuclear quadrupole moment
time of discovery or invention1968
parity-

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

216Ac

жингийн тоо216
neutron number127
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
440 ± 16 us
spin1
nuclear quadrupole moment
time of discovery or invention1967
parity-

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

217Ac

жингийн тоо217
neutron number128
Relative Atomic Mass
g-factor
0.85111111111111 ± 0.011111111111111
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
69 ± 4 ns
spin9/2
nuclear quadrupole moment
time of discovery or invention1972
parity-

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

218Ac

жингийн тоо218
neutron number129
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
1 ± 0.04 us
spin1
nuclear quadrupole moment
time of discovery or invention1970
parity-

decay modeintensity
α (α emission)100%

219Ac

жингийн тоо219
neutron number130
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
9.4 ± 1 us
spin9/2
nuclear quadrupole moment
time of discovery or invention1970
parity-

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

220Ac

жингийн тоо220
neutron number131
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
26.36 ± 0.19 ms
spin3
nuclear quadrupole moment
time of discovery or invention1970
parity-

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

221Ac

жингийн тоо221
neutron number132
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
52 ± 2 ms
spin9/2
nuclear quadrupole moment
time of discovery or invention1968
parity-

decay modeintensity
α (α emission)100%

222Ac

жингийн тоо222
neutron number133
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
5 ± 0.5 s
spin1
nuclear quadrupole moment
time of discovery or invention1949
parity-

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

223Ac

жингийн тоо223
neutron number134
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
2.1 ± 0.05 m
spin5/2
nuclear quadrupole moment
time of discovery or invention1948
parity-

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

224Ac

жингийн тоо224
neutron number135
Relative Atomic Mass
g-factor
0
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
2.78 ± 0.16 h
spin0
nuclear quadrupole moment
0
time of discovery or invention1948
parity-

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

225Ac

жингийн тоо225
neutron number136
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
9.919 ± 0.0021 d
spin3/2
nuclear quadrupole moment
time of discovery or invention1947
parity-

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

226Ac

жингийн тоо226
neutron number137
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
29.37 ± 0.12 h
spin1
nuclear quadrupole moment
time of discovery or invention1950
parity-

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

227Ac

жингийн тоо227
neutron number138
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
21.772 ± 0.003 y
spin3/2
nuclear quadrupole moment
time of discovery or invention1851
parity-

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

228Ac

жингийн тоо228
neutron number139
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
6.15 ± 0.02 h
spin3
nuclear quadrupole moment
time of discovery or invention1908
parity+

decay modeintensity
β (β decay)100%

229Ac

жингийн тоо229
neutron number140
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
62.7 ± 0.5 m
spin3/2
nuclear quadrupole moment
time of discovery or invention1952
parity+

decay modeintensity
β (β decay)100%

230Ac

жингийн тоо230
neutron number141
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
122 ± 3 s
spin1
nuclear quadrupole moment
time of discovery or invention1973
parity+

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

231Ac

жингийн тоо231
neutron number142
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
7.5 ± 0.1 m
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1973
parity+

decay modeintensity
β (β decay)100%

232Ac

жингийн тоо232
neutron number143
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
1.98 ± 0.08 m
spin1
nuclear quadrupole moment
time of discovery or invention1986
parity+

decay modeintensity
β (β decay)100%

233Ac

жингийн тоо233
neutron number144
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
143 ± 10 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention1983
parity+

decay modeintensity
β (β decay)100%

234Ac

жингийн тоо234
neutron number145
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
45 ± 2 s
spin1
nuclear quadrupole moment
time of discovery or invention1986
parity+

decay modeintensity
β (β decay)100%

235Ac

жингийн тоо235
neutron number146
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
62 ± 4 s
spin1/2
nuclear quadrupole moment
0
time of discovery or invention2006
parity+

decay modeintensity
β (β decay)100%

236Ac

жингийн тоо236
neutron number147
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
4.5 ± 3.6 m
spin3
nuclear quadrupole moment
time of discovery or invention2010
parity+

decay modeintensity
β (β decay)100%

237Ac

жингийн тоо237
neutron number148
Relative Atomic Mass
g-factor
natural abundance
Цацраг идэвхт задрал☢️ radioactive element
half-life
spin1/2
nuclear quadrupole moment
0
time of discovery or invention
parity+

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

түүх

discoverer or inventorAndré Debierne
location of discoveryFrance
time of discovery or invention1899
etymologyGreek: akis, aktinos (ray).
pronunciationak-TIN-i-em (англи)

source

Abundance
Abundance in Earth's crust
natural abundance (Далай)
natural abundance (Хүний бие)
0 %
natural abundance (Солир)
natural abundance (Нар)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants