Americ[iumi]

Americ[iumi] (Am)

chemical element with the atomic number of 95
Atomic Number95
Atomic Weight243
Numri i masës223
Group
Period7
Blockf
protoni95 p+
neutroni128 n0
elektroni95 e-
Animated Bohr model of Am (Americ[iumi])

Tipar Fizik

Atomic Radius
molar volume
covalent radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Americ[iumi]0102030405060708090100110120130140150160170180190200210220230240250pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energjia
proton affinity
electron affinity
ionization energy
ionization energy of Am (Americ[iumi])
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
elektroni
electron shell2, 8, 18, 32, 25, 8, 2
Bohr model: Am (Americ[iumi])
valence electron2
Lewis structure: Am (Americ[iumi])
konfigurimi i elektronit[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 (Americ[iumi])
Orbital Diagram of Am (Americ[iumi])
oxidation number2, 3, 4, 5, 6, 7
Elektronegativiteti
Electrophilicity Index
fundamental state of matter
gjendja agregate e materiesSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
Ngjyra
Silver
appearancesilvery white
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
electrical conductivity
electrical resistivity
Superpërcjellshmëria
Magnetizimi
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000515 m³/Kg
magnetic susceptibility (Molar)
0,00000001251 m³/mol
magnetic susceptibility (Volume)
0,000704
magnetic ordering
Curie temperature
Néel temperature
strukturë
Crystal StructureSimple Hexagonal ()
lattice constant
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
Shpejtësia e zërit
klasifikim
CategoryActinides, Actinides
CAS Group
IUPAC Group
Glawe Number39
Mendeleev Number26
Pettifor Number42
Geochemical Class
Goldschmidt classificationsynthetic

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
74
Neutron Mass Absorption
numër kuantik8S7/2
space group194 (P63/mmc)

Isotopes of Americium

Stable Isotopes0
Unstable Isotopes27
Natural Isotopes0

223Am

Numri i masës223
numri i neutroneve128
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
10 ± 9 ms
Spini9/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2015
parity-

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

224Am

Numri i masës224
numri i neutroneve129
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity

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

225Am

Numri i masës225
numri i neutroneve130
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini9/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity-

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

226Am

Numri i masës226
numri i neutroneve131
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity

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

227Am

Numri i masës227
numri i neutroneve132
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini9/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity-

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

228Am

Numri i masës228
numri i neutroneve133
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity

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

229Am

Numri i masës229
numri i neutroneve134
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,8 ± 1,5 s
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2015
parity-

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

230Am

Numri i masës230
numri i neutroneve135
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
40 ± 9 s
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes2003
parity-

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

231Am

Numri i masës231
numri i neutroneve136
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity-

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

232Am

Numri i masës232
numri i neutroneve137
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,31 ± 0,04 m
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1967
parity-

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

233Am

Numri i masës233
numri i neutroneve138
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,2 ± 0,8 m
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2000
parity-

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

234Am

Numri i masës234
numri i neutroneve139
Relative Atomic Mass
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,32 ± 0,08 m
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1967
parity-

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

235Am

Numri i masës235
numri i neutroneve140
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
10,3 ± 0,6 m
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1996
parity-

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

236Am

Numri i masës236
numri i neutroneve141
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,6 ± 0,1 m
Spini5
nuclear quadrupole moment
koha e zbulimit apo shpikjes1998
parity-

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

237Am

Numri i masës237
numri i neutroneve142
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
73,6 ± 0,8 m
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1970
parity-

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

238Am

Numri i masës238
numri i neutroneve143
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
98 ± 3 m
Spini1
nuclear quadrupole moment
koha e zbulimit apo shpikjes1950
parity+

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

239Am

Numri i masës239
numri i neutroneve144
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
11,9 ± 0,1 h
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1949
parity-

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

240Am

Numri i masës240
numri i neutroneve145
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
50,8 ± 0,3 h
Spini3
nuclear quadrupole moment
koha e zbulimit apo shpikjes1949
parity-

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

241Am

Numri i masës241
numri i neutroneve146
Relative Atomic Mass
g-factor
0,64 ± 0,004
natural abundance
Radioaktivitet☢️ radioactive element
half-life
432,6 ± 0,6 y
Spini5/2
nuclear quadrupole moment
4,34 ± 0,05
koha e zbulimit apo shpikjes1949
parity-

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

242Am

Numri i masës242
numri i neutroneve147
Relative Atomic Mass
g-factor
0,3854 ± 0,0017
natural abundance
Radioaktivitet☢️ radioactive element
half-life
16,02 ± 0,02 h
Spini1
nuclear quadrupole moment
-2,4 ± 0,4
koha e zbulimit apo shpikjes1949
parity-

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

243Am

Numri i masës243
numri i neutroneve148
Relative Atomic Mass
g-factor
0,608 ± 0,004
natural abundance
Radioaktivitet☢️ radioactive element
half-life
7,35 ± 0,009 ky
Spini5/2
nuclear quadrupole moment
4,32 ± 0,06
koha e zbulimit apo shpikjes1950
parity-

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

244Am

Numri i masës244
numri i neutroneve149
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
10,01 ± 0,03 h
Spini6
nuclear quadrupole moment
koha e zbulimit apo shpikjes1950
parity-

decay modeintensitet
β (β decay)100%

245Am

Numri i masës245
numri i neutroneve150
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,05 ± 0,01 h
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1955
parity+

decay modeintensitet
β (β decay)100%

246Am

Numri i masës246
numri i neutroneve151
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
39 ± 3 m
Spini7
nuclear quadrupole moment
koha e zbulimit apo shpikjes1955
parity-

decay modeintensitet
β (β decay)100%

247Am

Numri i masës247
numri i neutroneve152
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
23 ± 1,3 m
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1967
parity

decay modeintensitet
β (β decay)100%

248Am

Numri i masës248
numri i neutroneve153
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini3
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity+

decay modeintensitet
β (β decay)

249Am

Numri i masës249
numri i neutroneve154
Relative Atomic Mass
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity

decay modeintensitet
β (β decay)
Americium microscope

historia

zbuluesG.T.Seaborg, R.A.James, L.O.Morgan, A.Ghiorso
vendndodhja e zbulimitUnited States
koha e zbulimit apo shpikjes1945
EtimologjiaNamed for the American continent, by analogy with europium.
pronunciationam-er-ISH-i-em (anglisht)

burim

Abundance
Abundance in Earth's crust
natural abundance (Oqeani)
natural abundance (Trupi i njeriut)
0 %
natural abundance (meteoroid)
0 %
natural abundance (Diell)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants