Einsteinij (Es)

chemical element with the atomic number of 99

Atomski broj	99
Relativna atomska masa	252
Maseni broj	239

Skupina
Perioda	7
Blok	f

proton	99 p⁺
neutron	140 n⁰
elektron	99 e^-

Animated Bohrov model atoma of Es (Einsteinij)

Physical Property

Atomski Radijus
Molni volumen
Kovalentni Radijus	165 pm 140 pm
Metallic Radius
Ionski radijus	111,6 pm
Crystal Radius	125,6 pm
Van der Waals radius	245 pm 329,9 pm
gustoća	8,84 g/cm³

Kemijsko Svojstvo

energija

proton affinity
Elektronski afinitet
ionization energy	6,3676 eV/particle 12,2 eV/particle 22,7 eV/particle 38,8 eV/particle 54,1 eV/particle 71 eV/particle 97 eV/particle 112,9 eV/particle 137 eV/particle 157 eV/particle 180 eV/particle 206 eV/particle 231 eV/particle 252 eV/particle 270 eV/particle 294 eV/particle 317 eV/particle 342 eV/particle 367 eV/particle 398 eV/particle 421 eV/particle 576 eV/particle 606 eV/particle 638 eV/particle 672 eV/particle 705 eV/particle 738 eV/particle 790 eV/particle 824 eV/particle 861 eV/particle 895 eV/particle 1.060 eV/particle 1.100 eV/particle 1.140 eV/particle 1.180 eV/particle 1.310 eV/particle 1.360 eV/particle 1.480 eV/particle 1.530 eV/particle 1.690 eV/particle 1.780 eV/particle 1.870 eV/particle 1.950 eV/particle 2.040 eV/particle 2.130 eV/particle 2.220 eV/particle 2.300 eV/particle 2.410 eV/particle 2.490 eV/particle 2.580 eV/particle 2.680 eV/particle 2.760 eV/particle 2.900 eV/particle 3.294 eV/particle 3.370 eV/particle 3.449 eV/particle 3.535 eV/particle 3.616 eV/particle 3.694 eV/particle 3.866 eV/particle 3.947 eV/particle 4.038 eV/particle 4.120 eV/particle 4.456 eV/particle 4.537 eV/particle 4.620 eV/particle 4.700 eV/particle 5.260 eV/particle 5.350 eV/particle 5.600 eV/particle 5.690 eV/particle 8.960 eV/particle 9.140 eV/particle 9.330 eV/particle 9.530 eV/particle 9.720 eV/particle 9.910 eV/particle 10.400 eV/particle 10.590 eV/particle 10.810 eV/particle 11.010 eV/particle 11.570 eV/particle 11.740 eV/particle 11.930 eV/particle 12.110 eV/particle 13.810 eV/particle 14.030 eV/particle 14.460 eV/particle 14.700 eV/particle 29.700 eV/particle 30.100 eV/particle 30.700 eV/particle 31.100 eV/particle 37.400 eV/particle 38.100 eV/particle 38.900 eV/particle 39.451,4 eV/particle 154.328 eV/particle 156.926 eV/particle

Toplina isparivanja
toplina taljenja
standard enthalpy of formation	133 kJ/mol
elektron

Elektronska ljuska	2, 8, 18, 32, 29, 8, 2

valence electron	2 ⓘ

electron configuration	[Rn] 5f¹¹ 7s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 5f¹¹ 7s²

Oksidacijski broj	2, 3, 4
Elektronegativnost	0.21427
Electrophilicity Index
fundamental state of matter

agregatno stanje	Čvrsto
gaseous state of matter
Vrelište
Talište	1.133,15 K
critical pressure
critical temperature
Trojna točka
appearance
boja	Bezbojan #ffffff #b31fd4 #b31fd4
appearance	silver-colored
Indeks prelamanja
thermodynamic material property
Toplinska vodljivost
Toplinsko istezanje
molar heat capacity
Specifični toplinski kapacitet
heat capacity ratio
electrical properties
type
electrical conductivity
Električna otpornost i provodnost
Supravodljivost
Magnetizam
type
Magnetna susceptibilnost (Mass)
Magnetna susceptibilnost (Molar)
Magnetna susceptibilnost (Volume)
magnetic ordering
Curieva temperatura
Néel temperature
struktura
Kristalna struktura	()
lattice constant
Lattice Angles
mechanical property
Tvrdoća
bulk modulus
shear modulus
Youngov modul elastičnosti
Poissonov omjer
brzina zvuka
classification
Kategorija	Aktinoidi, Actinides
CAS Group
IUPAC Group
Glawe Number	43
Mendeleev Number	34
Pettifor Number	38
Geochemical Class
Goldschmidt classification	synthetic

other

Gas Basicity
polarizability	118 ± 20 a₀
C6 Dispersion Coefficient
allotrope
Nuklearni udarni presjek	160
Neutron Mass Absorption
Kvantni brojevi	5I15/2
space group	()

Isotopes of Einsteinium

Stabilni izotopi	0
Nestabilni izotopi	20
Natural Isotopes	0

²³⁹Es

Maseni broj	239
neutron number	140
Relativna Atomska Masa	239,06831 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost	-

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

²⁴⁰Es

Maseni broj	240
neutron number	141
Relativna Atomska Masa	240,068949 ± 0,000393 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	6 ± 1,7 s
spin	4
nuclear quadrupole moment
vrijeme otkrića ili izuma	2017
Parnost	-

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

²⁴¹Es

Maseni broj	241
neutron number	142
Relativna Atomska Masa	241,068592 ± 0,000248 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	5,1 ± 0,8 s
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1996
Parnost	-

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

²⁴²Es

Maseni broj	242
neutron number	143
Relativna Atomska Masa	242,069567 ± 0,000276 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	17,8 ± 1,6 s
spin	2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1994
Parnost	+

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

²⁴³Es

Maseni broj	243
neutron number	144
Relativna Atomska Masa	243,069508 ± 0,000222 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	22,1 ± 1,4 s
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1973
Parnost	+

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

²⁴⁴Es

Maseni broj	244
neutron number	145
Relativna Atomska Masa	244,070881 ± 0,000195 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	37 ± 4 s
spin	6
nuclear quadrupole moment
vrijeme otkrića ili izuma	1973
Parnost	+

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

²⁴⁵Es

Maseni broj	245
neutron number	146
Relativna Atomska Masa	245,071192 ± 0,000178 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,11 ± 0,06 m
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1967
Parnost	-

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

²⁴⁶Es

Maseni broj	246
neutron number	147
Relativna Atomska Masa	246,072806474 ± 0,000096538 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	7,5 ± 0,5 m
spin	4
nuclear quadrupole moment
vrijeme otkrića ili izuma	1954
Parnost	-

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

²⁴⁷Es

Maseni broj	247
neutron number	148
Relativna Atomska Masa	247,073621929 ± 0,00002087 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	4,55 ± 0,26 m
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1967
Parnost	+

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

²⁴⁸Es

Maseni broj	248
neutron number	149
Relativna Atomska Masa	248,075469 ± 0,000056 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	24 ± 3 m
spin	2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1956
Parnost	-

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

²⁴⁹Es

Maseni broj	249
neutron number	150
Relativna Atomska Masa	249,076409 ± 0,000032 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	102,2 ± 0,6 m
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1956
Parnost	+

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

²⁵⁰Es

Maseni broj	250
neutron number	151
Relativna Atomska Masa	250,078611 ± 0,000107 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	8,6 ± 0,1 h
spin	6
nuclear quadrupole moment
vrijeme otkrića ili izuma	1956
Parnost

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

²⁵¹Es

Maseni broj	251
neutron number	152
Relativna Atomska Masa	251,079991431 ± 0,000005676 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	33 ± 1 h
spin	3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1956
Parnost	-

decay mode	intensity
ϵ (electron capture)	99.5%
α (α emission)	0.5%

²⁵²Es

Maseni broj	252
neutron number	153
Relativna Atomska Masa	252,082979173 ± 0,000053736 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	471,7 ± 1,9 d
spin	4
nuclear quadrupole moment
vrijeme otkrića ili izuma	1956
Parnost	+

decay mode	intensity
α (α emission)	78%
ϵ (electron capture)	22%

²⁵³Es

Maseni broj	253
neutron number	154
Relativna Atomska Masa	253,084821241 ± 0,000001341 Da
g-factor	1,1714285714286 ± 0,02
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	20,47 ± 0,03 d
spin	7/2
nuclear quadrupole moment	6,7 ± 0,8
vrijeme otkrića ili izuma	1954
Parnost	+

decay mode	intensity
α (α emission)	100%
SF (spontaneous fission)	8.7%

²⁵⁴Es

Maseni broj	254
neutron number	155
Relativna Atomska Masa	254,088024337 ± 0,000003152 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	275,7 ± 0,5 d
spin	7
nuclear quadrupole moment
vrijeme otkrića ili izuma	1954
Parnost	+

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

²⁵⁵Es

Maseni broj	255
neutron number	156
Relativna Atomska Masa	255,090273504 ± 0,000011612 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	39,8 ± 1,2 d
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1954
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	92%
α (α emission)	8%
SF (spontaneous fission)	0.0041%

²⁵⁶Es

Maseni broj	256
neutron number	157
Relativna Atomska Masa	256,093597 ± 0,000107 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	7,6 h
spin	7
nuclear quadrupole moment
vrijeme otkrića ili izuma	1976
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ SF (β⁻-delayed fission)	0.002%

²⁵⁷Es

Maseni broj	257
neutron number	158
Relativna Atomska Masa	257,095979 ± 0,000441 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	7,7 ± 0,2 d
spin	7/2
nuclear quadrupole moment
vrijeme otkrića ili izuma	1987
Parnost	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
α (α emission)

²⁵⁸Es

Maseni broj	258
neutron number	159
Relativna Atomska Masa	258,09952 ± 0,00043 Da
g-factor
natural abundance
radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost

decay mode	intensity
β⁻ (β⁻ decay)
α (α emission)

povijest

otkrio/izumio	Argonne, Los Alamos, U of Calif
location of discovery	United States
vrijeme otkrića ili izuma	1952
Etimologija	Named in honor of the scientist Albert Einstein.
pronunciation	ine-STINE-i-em (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori
natural abundance (ocean)
natural abundance (tijelo)	0 %
natural abundance (meteoroid)	0 %
natural abundance (Sunce)	0 %
Zastupljenost u svemiru	0 %

Nuclear Screening Constants

Einsteinij on ChemicalAid

Australian Educational Vocabulary ID	scot/3516
CAS registarski broj	7429-92-7
ChEBI ID	33393
ChemSpider ID	22356
DSSTOX compound identifier	DTXCID90147796
DSSTox substance ID	DTXSID30225305
Den Store Danske ID	einsteinium
Dizionario delle Scienze Fisiche ID	einsteinio
Elhuyar ZTH ID	022704
Encyclopedia of China ID (Second Edition)	190938
Encyclopædia Universalis ID	einsteinium
Freebase ID	/m/028bh5n
French Vikidia ID	Einsteinium
GND identifikator	4151415-4
Gran Enciclopèdia Catalana ID	0100433
Great Russian Encyclopedia Online ID	4940532
ID oznaka u mrežnoj enciklopediji Britannici	science/einsteinium
InChI	InChI=1S/Es
InChIKey	CKBRQZNRCSJHFT-UHFFFAOYSA-N
KBpedia ID	Einsteinium
MeSH ID	D004540
PubChem ID	23913
Römpp online ID	RD-05-00380
Store norske leksikon ID	einsteinium
Treccani ID	einstenio
UNII	WV8XL34X3O
USGS Thesaurus ID	1445
WordNet 3.1 Synset ID	14661000-n
značenje prema OmegaWiki	157713

Einsteinij (Es)

Physical Property

Kemijsko Svojstvo

other

Isotopes of Einsteinium

239Es

240Es

241Es

242Es

243Es

244Es

245Es

246Es

247Es

248Es

249Es

250Es

251Es

252Es

253Es

254Es

255Es

256Es

257Es

258Es

povijest

source

Nuclear Screening Constants

²³⁹Es

²⁴⁰Es

²⁴¹Es

²⁴²Es

²⁴³Es

²⁴⁴Es

²⁴⁵Es

²⁴⁶Es

²⁴⁷Es

²⁴⁸Es

²⁴⁹Es

²⁵⁰Es

²⁵¹Es

²⁵²Es

²⁵³Es

²⁵⁴Es

²⁵⁵Es

²⁵⁶Es

²⁵⁷Es

²⁵⁸Es