Ameritsiy

Ameritsiy (Am)

chemical element with the atomic number of 95
Atomic Number95
Atomic Weight243
mass number223
Group
Period7
Blockf
Proton95 p+
Neytron128 n0
Elektron95 e-
Animated Bohr model of Am (Ameritsiy)

Fizik Xossa

Atom Radiusi
175 pm
Molyar hajm
Kovalentlik Radiusi
166 pm
Metallic Radius
Ion radiuslar
121 pm
Crystal Radius
135 pm
Van der Waals radius
244 pm
density
Atomic Radii Of The Elements: Ameritsiy0102030405060708090100110120130140150160170180190200210220230240250pmAtom RadiusiKovalentlik RadiusiMetallic RadiusVan der Waals radius

Chemical Property

energiya
proton affinity
electron affinity
ionization energy
ionization energy of Am (Ameritsiy)
Solishtirma qaynash issiqligi
238,5 kJ/mol
solishtirma erish issiqligi
standard enthalpy of formation
284 kJ/mol
Elektron
Ion asboblar2, 8, 18, 32, 25, 8, 2
Bohr model: Am (Ameritsiy)
valence electron2
Lewis structure: Am (Ameritsiy)
electron configuration[Rn] 5f7 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f7 7s2
Enhanced Bohr model of Am (Ameritsiy)
Orbital Diagram of Am (Ameritsiy)
Oksidlanish darajasi2, 3, 4, 5, 6, 7
Elektrmanfiylik
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
1 449,15 K
critical pressure
critical temperature
triple point
appearance
Rang
Silver
appearancesilvery white
refractive index
thermodynamic material property
Thermal Conductivity
Issiqlikdan kengayish
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
electrical conductivity
electrical resistivity
superconductivity
0,6 K
Magnetizm
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000515 m³/Kg
magnetic susceptibility (Molar)
0,00000001251 m³/mol
magnetic susceptibility (Volume)
0,000704
magnetic ordering
Kyuri nuqtasi
Néel temperature
Tuzilma
Crystal StructureSimple Hexagonal ()
Kristall panjara davri
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
Qattiqlik
bulk modulus
shear modulus
Yung moduli
Poisson's ratio
Tovush tezligi
klassifikatsiya
CategoryActinides, Actinides
CAS Group
IUPAC Group
Glawe Number39
Mendeleev Number26
Pettifor Number42
Geochemical Class
Goldschmidt classificationsynthetic

other

Gas Basicity
polarizability
131 ± 25 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
74
Neutron Mass Absorption
Atom kvant sonlari8S7/2
space group194 (P63/mmc)

Isotopes of Americium

Stable Isotopes0
Unstable Isotopes27
Natural Isotopes0

223Am

mass number223
neutron number128
Nisbiy atom massa
223,04584 ± 0,000322 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
10 ± 9 ms
spin9/2
nuclear quadrupole moment
time of discovery or invention2015
parity-

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

224Am

mass number224
neutron number129
Nisbiy atom massa
224,046442 ± 0,000429 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin
nuclear quadrupole moment
time of discovery or invention
parity

decay modeintensity
α (α emission)
SF (spontaneous fission)

225Am

mass number225
neutron number130
Nisbiy atom massa
225,045508 ± 0,000429 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin9/2
nuclear quadrupole moment
time of discovery or invention
parity-

decay modeintensity
α (α emission)
SF (spontaneous fission)

226Am

mass number226
neutron number131
Nisbiy atom massa
226,04613 ± 0,000322 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin
nuclear quadrupole moment
time of discovery or invention
parity

decay modeintensity
α (α emission)
SF (spontaneous fission)

227Am

mass number227
neutron number132
Nisbiy atom massa
227,045282 ± 0,000215 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin9/2
nuclear quadrupole moment
time of discovery or invention
parity-

decay modeintensity
α (α emission)
SF (spontaneous fission)

228Am

mass number228
neutron number133
Nisbiy atom massa
228,046001 ± 0,000215 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin
nuclear quadrupole moment
time of discovery or invention
parity

decay modeintensity
α (α emission)
SF (spontaneous fission)

229Am

mass number229
neutron number134
Nisbiy atom massa
229,045282534 ± 0,000114169 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
1,8 ± 1,5 s
spin5/2
nuclear quadrupole moment
time of discovery or invention2015
parity-

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

230Am

mass number230
neutron number135
Nisbiy atom massa
230,046025 ± 0,000153 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
40 ± 9 s
spin1
nuclear quadrupole moment
time of discovery or invention2003
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ SF (β+-delayed fission)30%

231Am

mass number231
neutron number136
Nisbiy atom massa
231,045529 ± 0,000322 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin5/2
nuclear quadrupole moment
time of discovery or invention
parity-

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

232Am

mass number232
neutron number137
Nisbiy atom massa
232,046613 ± 0,000322 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
1,31 ± 0,04 m
spin1
nuclear quadrupole moment
time of discovery or invention1967
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)97%
α (α emission)
β+ SF (β+-delayed fission)0.069%

233Am

mass number233
neutron number138
Nisbiy atom massa
233,046468 ± 0,000123 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
3,2 ± 0,8 m
spin5/2
nuclear quadrupole moment
time of discovery or invention2000
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)4.5%

234Am

mass number234
neutron number139
Nisbiy atom massa
234,047731 ± 0,000172 Da
g-factor
0
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
2,32 ± 0,08 m
spin0
nuclear quadrupole moment
0
time of discovery or invention1967
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.039%
β+ SF (β+-delayed fission)0.0066%

235Am

mass number235
neutron number140
Nisbiy atom massa
235,047906478 ± 0,000056661 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
10,3 ± 0,6 m
spin5/2
nuclear quadrupole moment
time of discovery or invention1996
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)99.6%
α (α emission)0.4%

236Am

mass number236
neutron number141
Nisbiy atom massa
236,049427 ± 0,000127 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
3,6 ± 0,1 m
spin5
nuclear quadrupole moment
time of discovery or invention1998
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)4%

237Am

mass number237
neutron number142
Nisbiy atom massa
237,049995 ± 0,000064 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
73,6 ± 0,8 m
spin5/2
nuclear quadrupole moment
time of discovery or invention1970
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)99.975%
α (α emission)0.025%

238Am

mass number238
neutron number143
Nisbiy atom massa
238,051982531 ± 0,000063243 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
98 ± 3 m
spin1
nuclear quadrupole moment
time of discovery or invention1950
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)1%

239Am

mass number239
neutron number144
Nisbiy atom massa
239,053022729 ± 0,000002127 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
11,9 ± 0,1 h
spin5/2
nuclear quadrupole moment
time of discovery or invention1949
parity-

decay modeintensity
ϵ (electron capture)99.99%
α (α emission)0.01%

240Am

mass number240
neutron number145
Nisbiy atom massa
240,055298374 ± 0,000014849 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
50,8 ± 0,3 h
spin3
nuclear quadrupole moment
time of discovery or invention1949
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)1.9%

241Am

mass number241
neutron number146
Nisbiy atom massa
241,056827343 ± 0,000001195 Da
g-factor
0,64 ± 0,004
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
432,6 ± 0,6 y
spin5/2
nuclear quadrupole moment
4,34 ± 0,05
time of discovery or invention1949
parity-

decay modeintensity
α (α emission)100%
SF (spontaneous fission)3.6%

242Am

mass number242
neutron number147
Nisbiy atom massa
242,059547358 ± 0,000001199 Da
g-factor
0,3854 ± 0,0017
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
16,02 ± 0,02 h
spin1
nuclear quadrupole moment
-2,4 ± 0,4
time of discovery or invention1949
parity-

decay modeintensity
β (β decay)82.7%
ϵ (electron capture)17.3%

243Am

mass number243
neutron number148
Nisbiy atom massa
243,061379889 ± 0,00000149 Da
g-factor
0,608 ± 0,004
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
7,35 ± 0,009 ky
spin5/2
nuclear quadrupole moment
4,32 ± 0,06
time of discovery or invention1950
parity-

decay modeintensity
α (α emission)100%
SF (spontaneous fission)3.7%

244Am

mass number244
neutron number149
Nisbiy atom massa
244,064282892 ± 0,0000016 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
10,01 ± 0,03 h
spin6
nuclear quadrupole moment
time of discovery or invention1950
parity-

decay modeintensity
β (β decay)100%

245Am

mass number245
neutron number150
Nisbiy atom massa
245,066452827 ± 0,000002024 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
2,05 ± 0,01 h
spin5/2
nuclear quadrupole moment
time of discovery or invention1955
parity+

decay modeintensity
β (β decay)100%

246Am

mass number246
neutron number151
Nisbiy atom massa
246,069774 ± 0,000019 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
39 ± 3 m
spin7
nuclear quadrupole moment
time of discovery or invention1955
parity-

decay modeintensity
β (β decay)100%

247Am

mass number247
neutron number152
Nisbiy atom massa
247,072092 ± 0,000107 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
23 ± 1,3 m
spin5/2
nuclear quadrupole moment
time of discovery or invention1967
parity

decay modeintensity
β (β decay)100%

248Am

mass number248
neutron number153
Nisbiy atom massa
248,075752 ± 0,000215 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin3
nuclear quadrupole moment
time of discovery or invention
parity+

decay modeintensity
β (β decay)

249Am

mass number249
neutron number154
Nisbiy atom massa
249,07848 ± 0,00032 Da
g-factor
natural abundance
Radioaktivlik☢️ Radioaktiv elementlar
Yarim yemirilish davri
spin5/2
nuclear quadrupole moment
time of discovery or invention
parity

decay modeintensity
β (β decay)
Americium microscope

tarix

discoverer or inventorG.T.Seaborg, R.A.James, L.O.Morgan, A.Ghiorso
location of discoveryUnited States
time of discovery or invention1945
EtimologiyaNamed for the American continent, by analogy with europium.
pronunciationam-er-ISH-i-em (inglizcha)

source

Abundance
Abundance in Earth's crust
natural abundance (Okean)
natural abundance (Inson tanasi)
0 %
natural abundance (Meteoroid)
0 %
natural abundance (Quyosh)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants