Samarium mungsuh Beryllium
Tabel périodik
Symbol
Sm
Be
Panggil Group
ora Sumadhiya
2
16
Panggil periode
6
2
Block
pemblokiran f
s pemblokiran
Family unsur
lanthanide
alkalin bumi
CAS Number
7440199
99+
7440417
99+
Jeneng papan Group
R_ 3M
P63 / mmc
Space Group Number
166.00
6
194.00
5
facts
Facts Interesting
- Samarium logam mbantu menehi pancingan metabolisme awak.
- Samarium logam ana 1st diamati dening Jean Charles Galissard de Marignac ing Dydimia ing 1853.
- Beryllium paling logam anti karat.
- Beryllium punika logam ènthèng lan isih iku kuwat saka baja.
- Uga ketemu macem-macem aplikasi ing reaktor nuklir minangka reflektor.
sumber
Found in Minerals, Mining, Ores saka Minerals
bumi lemah ndhuwur, Found in Minerals, Mining, Ores logam, Ores saka Minerals
History
sing katutup
Lecoq de Boisbaudran
Louis Nicolas Vauquelin
Discovery
ing taun 1879
ing 1797
turah mbrawah
Turah mbrawah Ing Universe
5 * 10-7 %
19
1 * 10-7 %
23
Turah mbrawah Ing Sun
~0.0000001 %
26
~0.00000001 %
29
Turah mbrawah Ing meteorit
0.00 %
37
0.00 %
99+
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
29
0.00 %
35
Turah mbrawah Ing Segara
0.00 %
40
0.00 %
39
Turah mbrawah Ing Manungsa
ora Sumadhiya
0.00 %
19
ulah
Ulah lan Wuku
Character length exceed error
- Sawijining wesi karo tembaga utawa nikel sing digunakake ing Gyroscopes Manufaktur, sumber, kontak listrik lan pribadi non sparking.
- Wesi Beryllium digunakake minangka materi kanggo pesawat, pluru, wahana lan satelit.
Ulah Industrial
Industry Aerospace, Industry automobile, Industri Kimia, Industry Listrik, Industry Elektronik
Industry Aerospace, Industry amunisi, Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi, Ing Reactors Nuclear
wesi
Properties biologi
keracunan
rada Toxic
Toxic
Saiki ing badan Human
Ya
Ya
Sang
0.01 Sang / mg dm-3
22
0.00 Sang / mg dm-3
32
ing Bone
ora Sumadhiya
0.00 ppm
32
fisik Properties
leleh Point
1,072.00 ° C
99+
1,278.00 ° C
36
Boiling Point
1,900.00 ° C
99+
2,970.00 ° C
32
katon
State fisik
Solid
Solid
warna
perak Putih
putih Gray
luster
lustrous
metallic
atose
Mohs atose
ora Sumadhiya
5.50
7
Brinell atose
441.00 MPa
27
590.00 MPa
21
Vickers atose
412.00 MPa
24
1,670.00 MPa
4
Kacepetan swara
2,130.00 m / s
99+
12,890.00 m / s
2
Properties Optical
allotropes
Ora
Ora
α allotropes
ora Sumadhiya
ora Sumadhiya
β allotropes
ora Sumadhiya
ora Sumadhiya
γ allotropes
ora Sumadhiya
ora Sumadhiya
Kimia Properties
Formula Kimia
Sm
Be
isotop
Isotop dikenal
30
9
9
29
keelektronegatifan
Pauling Elektronegativitas
1.17
40
1.57
24
Sanderson Elektronegativitas
ora Sumadhiya
1.81
12
Allred Rochow Elektronegativitas
1.07
32
1.47
14
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
1.54
12
Allen Elektronegativitas
ora Sumadhiya
1.58
23
Electropositivity
Pauling Electropositivity
2.83
14
2.43
30
tenogo ionisasi
Level Energy 1st
544.50 kJ / mol
99+
899.50 kJ / mol
7
Level Energy 2
1,070.00 kJ / mol
99+
1,757.10 kJ / mol
23
Level Energy 3rd
2,260.00 kJ / mol
99+
14,848.70 kJ / mol
2
Level Energy 4
3,990.00 kJ / mol
37
21,006.60 kJ / mol
2
padha karo elektrokimia
1.87 g / amp-day
34
0.17 g / amp-day
99+
Fungsi Work elektron
2.70 eV
99+
4.98 eV
6
Properties Kimia liyane
ionisasi, Isotop radioaktif
Corrosion, ionisasi, Isotop radioaktif
atom Properties
Panggil atom
62
99+
4
99+
Konfigurasi elektron
[Xe] 4F 6 6s 2
[Panjenenganipun] 2S 2
Struktur Crystal
Rhombohedral (RHO)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
RHO-Crystal-Structure-of-Samarium.jpg#100
HCP-Crystal-Structure-of-Beryllium.jpg#100
atom
Jumlah proton
62
99+
4
99+
Jumlah Neutron
88
39
5
99+
Jumlah Èlèktron
62
99+
4
99+
Radius saka Atom
Radius atom
180.00 pm
14
112.00 pm
99+
kovalen Radius
198.00 pm
13
96.00 pm
99+
Van der Waals Radius
229.00 pm
20
153.00 pm
99+
Bobot atom
150.36 Amu
99+
9.01 Amu
99+
Volume atom
19.95 cm3 / mol
19
5.00 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
44.80 (-eV)
37
82.00 (-eV)
15
Constant pola
362.10 pm
33
228.58 pm
99+
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
1.57
18
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
7.52 g / cm 3
99+
1.85 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
7.16 g / cm3
32
1.69 g / cm3
99+
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
0.94 (Pa)
9
0.00 (Pa)
19
situs kelenturan
nyukur pengaturan
19.50 GPA
34
132.00 GPA
7
pengaturan akeh
37.80 GPA
35
130.00 GPA
13
Young kang pengaturan
49.70 GPA
37
287.00 GPA
7
Poisson rasio
0.27
19
0.03
35
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
7.52
99+
1.85
99+
Nindakake Magnetic
paramagnetic
diamagnetic
Properties Listrik
Property Listrik
Arman
Semiconductor
resistivity
0.94 nΩ · m
99+
36.00 nΩ · m
99+
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.31 10 6 / cm Ω
5
elektron Affinity
50.00 kJ / mol
21
0.00 kJ / mol
40
termal Properties
Kalor tartamtu
0.20 J / (kg K)
31
1.82 J / (kg K)
2
Graham Kapasitas kalor
29.54 J / mol · K
7
16.44 J / mol · K
99+
doyo termal
13.30 W / m · K
99+
200.00 W / m · K
6
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
12.70 μm / (m · K)
30
11.30 μm / (m · K)
34
enthalpy
Enthalpy panguapan
166.40 kJ / mol
99+
294.70 kJ / mol
30
Enthalpy saka Fusion
8.62 kJ / mol
40
11.72 kJ / mol
30
Enthalpy saka atomization
209.00 kJ / mol
99+
326.40 kJ / mol
30
Standard molar Entropy
69.60 J / mol.K
15
9.50 J / mol.K
99+
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