Erbium mungsuh einsteinium
Tabel périodik
Symbol
Er
Es
Panggil Group
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Panggil periode
6
7
Block
pemblokiran f
pemblokiran f
Family unsur
lanthanide
actinide
CAS Number
7440520
35
7429927
99+
Jeneng papan Group
P63 / mmc
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Space Group Number
194.00
5
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facts
Facts Interesting
- Erbium logam digunakake minangka alloyed karo Vanadium wis alus.
- Panaliten anyar nuduhake yen iku mbiyantu kanggo metabolisme.
- Einsteinium punika unsur transuranium ditemokaké ing US.
- Mung 0.01 mg saka einsteinium iki gawean tiron ing 1961.
sumber
Mining
Digawe dening némbakaké Uranium karo Neutron
History
sing katutup
Carl Gustaf Mosander
Lawrence Berkeley National Laboratory
Discovery
Wonten ing taun 1842
ing taun 1952
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
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Turah mbrawah Ing Sun
~0.0000001 %
26
~-9999 %
Turah mbrawah Ing meteorit
0.00 %
36
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Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
32
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Turah mbrawah Ing Segara
0.00 %
36
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ulah
Ulah lan Wuku
- Wis cenderung kanggo njaluk tarnished ing online mbukak, nanging nalika alloyed karo unsur kaya erbium, vanadium, tingkat atose sudo.
- senyawa kaya Erbium oxide digunakake ing kaca tingal safety saka welders lan buruh metal.
- Efesus saiki dikenal saka logam einsteinium winates kanggo riset waé mung.
Ulah Industrial
Industri Kimia
NA
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi, Nuclear Riset, tujuan Research
Properties biologi
keracunan
mildly Toxic
Toxic
Saiki ing badan Human
Ora
Ora
Sang
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0.00 Sang / mg dm-3
37
ing Bone
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0.00 ppm
36
fisik Properties
leleh Point
1,522.00 ° C
28
860.00 ° C
99+
Boiling Point
2,510.00 ° C
99+
996.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Putih
Silver
luster
lustrous
NA
atose
Brinell atose
814.00 MPa
11
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Vickers atose
589.00 MPa
19
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Kacepetan swara
2,830.00 m / s
28
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Properties Optical
allotropes
Ora
Ora
α allotropes
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β allotropes
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γ allotropes
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Kimia Properties
Formula Kimia
Er
Es
isotop
Isotop dikenal
31
8
16
23
keelektronegatifan
Pauling Elektronegativitas
1.24
36
1.54
26
Allred Rochow Elektronegativitas
1.11
29
1.20
27
Electropositivity
Pauling Electropositivity
2.76
18
2.70
22
tenogo ionisasi
Level Energy 1st
589.30 kJ / mol
99+
619.00 kJ / mol
99+
Level Energy 2
1,150.00 kJ / mol
99+
1,216.00 kJ / mol
99+
Level Energy 3rd
2,194.00 kJ / mol
99+
2,334.00 kJ / mol
99+
Level Energy 4
4,120.00 kJ / mol
33
3,734.00 kJ / mol
99+
padha karo elektrokimia
2.08 g / amp-day
28
4.74 g / amp-day
5
Fungsi Work elektron
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Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
68
99+
99
19
Konfigurasi elektron
[Xe] 4F 12 6s 2
[Rn] 5F 11 7s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Face tengah kubik (FCC)
Crystal pola
HCP-Crystal-Structure-of-Erbium.jpg#100
FCC-Crystal-Structure-of-Einsteinium.jpg#100
atom
Jumlah proton
68
99+
99
19
Jumlah Neutron
99
33
153
9
Jumlah Èlèktron
68
99+
99
19
Radius saka Atom
Radius atom
176.00 pm
18
186.00 pm
9
kovalen Radius
189.00 pm
19
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Bobot atom
167.26 Amu
99+
252.00 Amu
16
Volume atom
18.40 cm3 / mol
25
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Nomer atom jejer
Potensi Valence Electron
49.00 (-eV)
29
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Constant pola
355.88 pm
39
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pola Angles
π/2, π/2, 2 π/3
NA
Pola C / A rasio
1.57
17
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Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
9.07 g / cm 3
99+
8.84 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
8.86 g / cm3
23
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Strength tensile
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viskositas
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meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)
20
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situs kelenturan
nyukur pengaturan
28.30 GPA
25
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pengaturan akeh
44.40 GPA
27
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Young kang pengaturan
69.90 GPA
29
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Poisson rasio
0.24
28
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Properties Teknik liyane
malleable
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
9.07
32
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Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Unknown
resistivity
0.86 nΩ · m
99+
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konduktivitas listrik
0.01 10 6 / cm Ω
99+
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elektron Affinity
50.00 kJ / mol
21
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termal Properties
Kalor tartamtu
0.17 J / (kg K)
34
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Graham Kapasitas kalor
28.12 J / mol · K
11
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doyo termal
14.50 W / m · K
99+
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suhu kritis
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Expansion termal
12.20 μm / (m · K)
31
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enthalpy
Enthalpy panguapan
261.00 kJ / mol
35
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Enthalpy saka Fusion
17.20 kJ / mol
15
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Enthalpy saka atomization
314.00 kJ / mol
33
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Standard molar Entropy
73.10 J / mol.K
11
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