Einsteiniyûm

Einsteiniyûm (Es)

chemical element with the atomic number of 99
Atomic Number99
Atomic Weight252
Hejmara baristeyî239
Group
Period7
Blockf
Proton99 p+
Notron140 n0
Kareva99 e-
Animated Bohr model of Es (Einsteiniyûm)

Physical Property

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

wize
proton affinity
electron affinity
ionization energy
ionization energy of Es (Einsteiniyûm)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
133 kJ/mol
Kareva
electron shell2, 8, 18, 32, 29, 8, 2
Bohr model: Es (Einsteiniyûm)
valence electron2
Lewis structure: Es (Einsteiniyûm)
electron configuration[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 (Einsteiniyûm)
Orbital Diagram of Es (Einsteiniyûm)
oxidation number2, 3, 4
electronegativity
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
1.133,15 K
critical pressure
critical temperature
triple point
appearance
color
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
superconductivity
magnetism
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Germahiya Curie
Néel temperature
pêkhate
Crystal Structure ()
lattice constant
Lattice Angles
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
Leza dengê
classification
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
quantum number5I15/2
space group ()

Isotopes of Einsteinium

Stable Isotopes0
Unstable Isotopes20
Natural Isotopes0

239Es

Hejmara baristeyî239
neutron number140
Giraniya atomê
239,06831 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity-

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

240Es

Hejmara baristeyî240
neutron number141
Giraniya atomê
240,068949 ± 0,000393 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
6 ± 1,7 s
spin4
nuclear quadrupole moment
dema îcadkirinê yan keşfê2017
parity-

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

241Es

Hejmara baristeyî241
neutron number142
Giraniya atomê
241,068592 ± 0,000248 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
5,1 ± 0,8 s
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1996
parity-

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

242Es

Hejmara baristeyî242
neutron number143
Giraniya atomê
242,069567 ± 0,000276 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
17,8 ± 1,6 s
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1994
parity+

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

243Es

Hejmara baristeyî243
neutron number144
Giraniya atomê
243,069508 ± 0,000222 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
22,1 ± 1,4 s
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1973
parity+

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

244Es

Hejmara baristeyî244
neutron number145
Giraniya atomê
244,070881 ± 0,000195 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
37 ± 4 s
spin6
nuclear quadrupole moment
dema îcadkirinê yan keşfê1973
parity+

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

245Es

Hejmara baristeyî245
neutron number146
Giraniya atomê
245,071192 ± 0,000178 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,11 ± 0,06 m
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1967
parity-

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

246Es

Hejmara baristeyî246
neutron number147
Giraniya atomê
246,072806474 ± 0,000096538 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
7,5 ± 0,5 m
spin4
nuclear quadrupole moment
dema îcadkirinê yan keşfê1954
parity-

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

247Es

Hejmara baristeyî247
neutron number148
Giraniya atomê
247,073621929 ± 0,00002087 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
4,55 ± 0,26 m
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1967
parity+

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

248Es

Hejmara baristeyî248
neutron number149
Giraniya atomê
248,075469 ± 0,000056 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
24 ± 3 m
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1956
parity-

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

249Es

Hejmara baristeyî249
neutron number150
Giraniya atomê
249,076409 ± 0,000032 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
102,2 ± 0,6 m
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1956
parity+

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

250Es

Hejmara baristeyî250
neutron number151
Giraniya atomê
250,078611 ± 0,000107 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
8,6 ± 0,1 h
spin6
nuclear quadrupole moment
dema îcadkirinê yan keşfê1956
parity

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

251Es

Hejmara baristeyî251
neutron number152
Giraniya atomê
251,079991431 ± 0,000005676 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
33 ± 1 h
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1956
parity-

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

252Es

Hejmara baristeyî252
neutron number153
Giraniya atomê
252,082979173 ± 0,000053736 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
471,7 ± 1,9 d
spin4
nuclear quadrupole moment
dema îcadkirinê yan keşfê1956
parity+

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

253Es

Hejmara baristeyî253
neutron number154
Giraniya atomê
253,084821241 ± 0,000001341 Da
g-factor
1,1714285714286 ± 0,02
natural abundance
radioactivity☢️ radioactive element
half-life
20,47 ± 0,03 d
spin7/2
nuclear quadrupole moment
6,7 ± 0,8
dema îcadkirinê yan keşfê1954
parity+

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

254Es

Hejmara baristeyî254
neutron number155
Giraniya atomê
254,088024337 ± 0,000003152 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
275,7 ± 0,5 d
spin7
nuclear quadrupole moment
dema îcadkirinê yan keşfê1954
parity+

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

255Es

Hejmara baristeyî255
neutron number156
Giraniya atomê
255,090273504 ± 0,000011612 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
39,8 ± 1,2 d
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1954
parity+

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

256Es

Hejmara baristeyî256
neutron number157
Giraniya atomê
256,093597 ± 0,000107 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
7,6 h
spin7
nuclear quadrupole moment
dema îcadkirinê yan keşfê1976
parity+

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

257Es

Hejmara baristeyî257
neutron number158
Giraniya atomê
257,095979 ± 0,000441 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
7,7 ± 0,2 d
spin7/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1987
parity+

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

258Es

Hejmara baristeyî258
neutron number159
Giraniya atomê
258,09952 ± 0,00043 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity

decay modeintensity
β (β decay)
α (α emission)
Einsteinium

dîrok

kaşîf an îcadkerArgonne, Los Alamos, U of Calif
location of discoveryUnited States
dema îcadkirinê yan keşfê1952
BêjenasîNamed in honor of the scientist Albert Einstein.
pronunciationine-STINE-i-em (îngilîzî)

source

Abundance
Abundance in Earth's crust
natural abundance (Okyanûs)
natural abundance (human body)
0 %
natural abundance (meteoroid)
0 %
natural abundance (Roj)
0 %
Abundance in Universe
0 %

Nuclear Screening Constants