Ajnshtajnium, ²Einsteiniumi

Ajnshtajnium, ²Einsteiniumi (Es)

chemical element with the atomic number of 99
Atomic Number99
Atomic Weight252
Numri i masës239
Group
Period7
Blockf
protoni99 p+
neutroni140 n0
elektroni99 e-
Animated Bohr model of Es (Ajnshtajnium, ²Einsteiniumi)

Tipar Fizik

Atomic Radius
molar volume
covalent radius
165 pm
Metallic Radius
ionic radius
111,6 pm
Crystal Radius
125,6 pm
Van der Waals radius
245 pm
density
8,84 g/cm³

Chemical Property

energjia
proton affinity
electron affinity
ionization energy
ionization energy of Es (Ajnshtajnium, ²Einsteiniumi)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
133 kJ/mol
elektroni
electron shell2, 8, 18, 32, 29, 8, 2
Bohr model: Es (Ajnshtajnium, ²Einsteiniumi)
valence electron2
Lewis structure: Es (Ajnshtajnium, ²Einsteiniumi)
konfigurimi i elektronit[Rn] 5f11 7s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f11 7s2
Enhanced Bohr model of Es (Ajnshtajnium, ²Einsteiniumi)
Orbital Diagram of Es (Ajnshtajnium, ²Einsteiniumi)
oxidation number2, 3, 4
Elektronegativiteti
Electrophilicity Index
fundamental state of matter
gjendja agregate e materiesSolid
gaseous state of matter
Boiling Point
Melting Point
1 133,15 K
critical pressure
critical temperature
triple point
appearance
Ngjyra
Colorless
appearancesilver-colored
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
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
strukturë
Crystal Structure ()
lattice constant
Lattice Angles
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
Shpejtësia e zërit
klasifikim
CategoryActinides, Actinides
CAS Group
IUPAC Group
Glawe Number43
Mendeleev Number34
Pettifor Number38
Geochemical Class
Goldschmidt classificationsynthetic

other

Gas Basicity
polarizability
118 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
160
Neutron Mass Absorption
numër kuantik5I15/2
space group ()

Isotopes of Einsteinium

Stable Isotopes0
Unstable Isotopes20
Natural Isotopes0

239Es

Numri i masës239
numri i neutroneve140
relative atomic mass
239,06831 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity-

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

240Es

Numri i masës240
numri i neutroneve141
relative atomic mass
240,068949 ± 0,000393 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
6 ± 1,7 s
Spini4
nuclear quadrupole moment
koha e zbulimit apo shpikjes2017
parity-

decay modeintensitet
α (α emission)70%
β+ (β+ decay; β+ = ϵ + e+)30%
β+ SF (β+-delayed fission)0.16%

241Es

Numri i masës241
numri i neutroneve142
relative atomic mass
241,068592 ± 0,000248 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
5,1 ± 0,8 s
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1996
parity-

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

242Es

Numri i masës242
numri i neutroneve143
relative atomic mass
242,069567 ± 0,000276 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
17,8 ± 1,6 s
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1994
parity+

decay modeintensitet
α (α emission)57%
β+ (β+ decay; β+ = ϵ + e+)43%
β+ SF (β+-delayed fission)0.6%

243Es

Numri i masës243
numri i neutroneve144
relative atomic mass
243,069508 ± 0,000222 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
22,1 ± 1,4 s
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1973
parity+

decay modeintensitet
α (α emission)61%
β+ (β+ decay; β+ = ϵ + e+)
SF (spontaneous fission)1%

244Es

Numri i masës244
numri i neutroneve145
relative atomic mass
244,070881 ± 0,000195 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
37 ± 4 s
Spini6
nuclear quadrupole moment
koha e zbulimit apo shpikjes1973
parity+

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)95%
α (α emission)5%
β+ SF (β+-delayed fission)0.011%

245Es

Numri i masës245
numri i neutroneve146
relative atomic mass
245,071192 ± 0,000178 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,11 ± 0,06 m
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1967
parity-

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)51%
α (α emission)49%

246Es

Numri i masës246
numri i neutroneve147
relative atomic mass
246,072806474 ± 0,000096538 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
7,5 ± 0,5 m
Spini4
nuclear quadrupole moment
koha e zbulimit apo shpikjes1954
parity-

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)90.1%
α (α emission)9.9%
β+ SF (β+-delayed fission)0.003%

247Es

Numri i masës247
numri i neutroneve148
relative atomic mass
247,073621929 ± 0,00002087 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4,55 ± 0,26 m
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1967
parity+

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)93%
α (α emission)7%
SF (spontaneous fission)

248Es

Numri i masës248
numri i neutroneve149
relative atomic mass
248,075469 ± 0,000056 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
24 ± 3 m
Spini2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1956
parity-

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.25%
β+ SF (β+-delayed fission)3.5%

249Es

Numri i masës249
numri i neutroneve150
relative atomic mass
249,076409 ± 0,000032 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
102,2 ± 0,6 m
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1956
parity+

decay modeintensitet
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.57%

250Es

Numri i masës250
numri i neutroneve151
relative atomic mass
250,078611 ± 0,000107 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
8,6 ± 0,1 h
Spini6
nuclear quadrupole moment
koha e zbulimit apo shpikjes1956
parity

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

251Es

Numri i masës251
numri i neutroneve152
relative atomic mass
251,079991431 ± 0,000005676 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
33 ± 1 h
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1956
parity-

decay modeintensitet
ϵ (electron capture)99.5%
α (α emission)0.5%

252Es

Numri i masës252
numri i neutroneve153
relative atomic mass
252,082979173 ± 0,000053736 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
471,7 ± 1,9 d
Spini4
nuclear quadrupole moment
koha e zbulimit apo shpikjes1956
parity+

decay modeintensitet
α (α emission)78%
ϵ (electron capture)22%

253Es

Numri i masës253
numri i neutroneve154
relative atomic mass
253,084821241 ± 0,000001341 Da
g-factor
1,1714285714286 ± 0,02
natural abundance
Radioaktivitet☢️ radioactive element
half-life
20,47 ± 0,03 d
Spini7/2
nuclear quadrupole moment
6,7 ± 0,8
koha e zbulimit apo shpikjes1954
parity+

decay modeintensitet
α (α emission)100%
SF (spontaneous fission)8.7%

254Es

Numri i masës254
numri i neutroneve155
relative atomic mass
254,088024337 ± 0,000003152 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
275,7 ± 0,5 d
Spini7
nuclear quadrupole moment
koha e zbulimit apo shpikjes1954
parity+

decay modeintensitet
α (α emission)100%
ϵ (electron capture)
β (β decay)1.74%
SF (spontaneous fission)3%

255Es

Numri i masës255
numri i neutroneve156
relative atomic mass
255,090273504 ± 0,000011612 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
39,8 ± 1,2 d
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1954
parity+

decay modeintensitet
β (β decay)92%
α (α emission)8%
SF (spontaneous fission)0.0041%

256Es

Numri i masës256
numri i neutroneve157
relative atomic mass
256,093597 ± 0,000107 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
7,6 h
Spini7
nuclear quadrupole moment
koha e zbulimit apo shpikjes1976
parity+

decay modeintensitet
β (β decay)100%
β SF (β-delayed fission)0.002%

257Es

Numri i masës257
numri i neutroneve158
relative atomic mass
257,095979 ± 0,000441 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
7,7 ± 0,2 d
Spini7/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1987
parity+

decay modeintensitet
β (β decay)100%
α (α emission)

258Es

Numri i masës258
numri i neutroneve159
relative atomic mass
258,09952 ± 0,00043 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity

decay modeintensitet
β (β decay)
α (α emission)
Einsteinium

historia

zbuluesArgonne, Los Alamos, U of Calif
vendndodhja e zbulimitUnited States
koha e zbulimit apo shpikjes1952
EtimologjiaNamed in honor of the scientist Albert Einstein.
pronunciationine-STINE-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