Symbol
Pr
Be
Panggil Group
32
0
17
👆🏻
Panggil periode
62
2
7
👆🏻
Block
pemblokiran f
s pemblokiran
Family unsur
lanthanide
alkalin bumi
CAS Number
74401007440417
7429905
54386242
👆🏻
Jeneng papan Group
P63 / mmc
P63 / mmc
Space Group Number
194.00194.00
11
276
👆🏻
Facts Interesting
- Praseodymium logam sintetik diprodhuksi logam.
- Praseodymium digunakake minangka bahan bakar kanggo generator radioaktif.
- 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
-
Louis Nicolas Vauquelin
Discovery
ing taun 1885
ing 1797
turah mbrawah
Turah mbrawah Ing Universe
0.00 %0.00 %
0
0.11
👆🏻
Turah mbrawah Ing Sun
0.00 %0.00 %
0
0.1
👆🏻
Turah mbrawah Ing meteorit
0.00 %0.00 %
0
22
👆🏻
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %0.00 %
1E-37
8.1
👆🏻
Turah mbrawah Ing Segara
0.00 %0.00 %
0
1.1
👆🏻
Turah mbrawah Ing Manungsa
0.00 %0.00 %
0
1.4
👆🏻
Ulah lan Wuku
- Gunakake utama Praseodymium kalebu wesi. Praseodymium -Magnesium alloy digunakake ing mesin pesawat amarga kekuatan dhuwur.
- metal iki uga digunakake nalika nggawe wesi sembrani permanen.
- 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
Industri Kimia
Industry Aerospace, Industry amunisi, Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
-
-
Ulah liyane
wesi
wesi
Properties biologi
keracunan
arep Toxic
Toxic
Saiki ing badan Human
Ora
Ya
Sang
0.00 Sang / mg dm-30.00 Sang / mg dm-3
0
1970
👆🏻
ing Bone
0.00 ppm0.00 ppm
0
170000
👆🏻
leleh Point
935.00 ° C1,278.00 ° C
-38.83
3410
👆🏻
Boiling Point
3,130.00 ° C2,970.00 ° C
0
5660
👆🏻
katon
State fisik
Solid
Solid
warna
klawu putih
putih Gray
luster
metallic
metallic
atose
Mohs atose
4.005.50
0.2
8.5
👆🏻
Brinell atose
481.00 MPa590.00 MPa
0.14
3490
👆🏻
Vickers atose
400.00 MPa1,670.00 MPa
0
3920
👆🏻
Kacepetan swara
2,280.00 m / s12,890.00 m / s
818
16200
👆🏻
Properties Optical
bias Index
1.641.56
0.155
3.41
👆🏻
reflectivity
60.00 %65.00 %
5
97
👆🏻
allotropes
Ora
Ora
α allotropes
-
-
β allotropes
-
-
γ allotropes
-
-
Formula Kimia
Pr
Be
isotop
Isotop dikenal
319
0
38
👆🏻
keelektronegatifan
Pauling Elektronegativitas
1.131.57
0
2.6
👆🏻
Sanderson Elektronegativitas
1.131.81
0.22
2.56
👆🏻
Allred Rochow Elektronegativitas
1.071.47
0.86
1.9
👆🏻
Mulliken-Jaffe Elektronegativitas
1.131.54
0.62
2.48
👆🏻
Allen Elektronegativitas
1.131.58
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
2.872.43
1.46
3.3
👆🏻
tenogo ionisasi
Level Energy 1st
527.00 kJ / mol899.50 kJ / mol
375.7
26130
👆🏻
Level Energy 2
1,020.00 kJ / mol1,757.10 kJ / mol
392.8
28750
👆🏻
Level Energy 3rd
2,086.00 kJ / mol14,848.70 kJ / mol
392.8
34230
👆🏻
Level Energy 4
3,761.00 kJ / mol21,006.60 kJ / mol
375.7
37066
👆🏻
Level Energy 5th
5,551.00 kJ / mol2,970.00 kJ / mol
392
97510
👆🏻
Level Energy 6th
5,270.00 kJ / mol1,470.00 kJ / mol
1007
105800
👆🏻
tingkat Energy 7
5,270.00 kJ / mol2,970.00 kJ / mol
1007
114300
👆🏻
Level Energy 8
5,270.00 kJ / mol2,970.00 kJ / mol
730
125300
👆🏻
Level Energy 9
5,270.00 kJ / mol2,970.00 kJ / mol
1007
134700
👆🏻
Level Energy 10th
5,270.00 kJ / mol2,970.00 kJ / mol
392
144300
👆🏻
Level Energy 11
5,274.00 kJ / mol2,970.00 kJ / mol
392
169988
👆🏻
Level Energy 12
5,270.00 kJ / mol29,700.00 kJ / mol
0
189368
👆🏻
Level Energy 13
5,270.00 kJ / mol2,970.00 kJ / mol
1007
76015
👆🏻
Level Energy 14
5,270.00 kJ / mol2,970.00 kJ / mol
380
86450
👆🏻
Level Energy 15
52,700.00 kJ / mol89,900.00 kJ / mol
33000
100700
👆🏻
Level Energy 16
52,700.00 kJ / mol89,900.00 kJ / mol
375.7
109480
👆🏻
Level Energy 17
527.30 kJ / mol2,970.00 kJ / mol
375.7
122200
👆🏻
Level Energy 18
5,270.00 kJ / mol8,995.00 kJ / mol
0
134810
👆🏻
Level Energy 19
527.30 kJ / mol899.50 kJ / mol
375.7
148700
👆🏻
Level Energy 20
527.00 kJ / mol899.00 kJ / mol
0
171200
👆🏻
Level Energy 21
527.00 kJ / mol2,970.00 kJ / mol
375.7
179100
👆🏻
Level Energy 22
527.00 kJ / mol899.00 kJ / mol
330
184900
👆🏻
Level Energy 23rd
527.00 kJ / mol2,970.00 kJ / mol
357.6
198800
👆🏻
Level Energy 24
527.40 kJ / mol297.30 kJ / mol
297.3
195200
👆🏻
Level Energy 25th
527.00 kJ / mol2,970.00 kJ / mol
0
121900
👆🏻
Level Energy 26th
527.40 kJ / mol2,970.00 kJ / mol
357.6
127700
👆🏻
Level Energy 27th
527.40 kJ / mol297.30 kJ / mol
0
133800
👆🏻
Level Energy 28th
527.40 kJ / mol297.30 kJ / mol
297.3
139800
👆🏻
Level Energy 29
527.00 kJ / mol2,970.00 kJ / mol
0
148100
👆🏻
Level Energy 30
527.00 kJ / mol2,970.00 kJ / mol
0
154500
👆🏻
padha karo elektrokimia
1.75 g / amp-day0.17 g / amp-day
0.16812
8.3209
👆🏻
Fungsi Work elektron
2.70 eV4.98 eV
2.14
6
👆🏻
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif
Corrosion, ionisasi, Isotop radioaktif
Panggil atom
594
3
117
👆🏻
Konfigurasi elektron
[Xe] 4F 3 6s 2
[Panjenenganipun] 2S 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
atom
Jumlah proton
594
3
117
👆🏻
Jumlah Neutron
825
4
285
👆🏻
Jumlah Èlèktron
594
3
117
👆🏻
Radius saka Atom
Radius atom
182.00 pm112.00 pm
0
348
👆🏻
kovalen Radius
203.00 pm96.00 pm
0
260
👆🏻
Van der Waals Radius
239.00 pm153.00 pm
0
348
👆🏻
Bobot atom
140.91 Amu9.01 Amu
6.94
294
👆🏻
Volume atom
20.80 cm3 / mol5.00 cm3 / mol
1.39
71.07
👆🏻
Nomer atom jejer
unsur Previous
Sabanjure unsur
Potensi Valence Electron
42.64 (-eV)82.00 (-eV)
0
392.42
👆🏻
Constant pola
367.25 pm228.58 pm
0
891.25
👆🏻
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
1.611.57
0.423
1.9
👆🏻
Kapadhetan
Kapadhetan Ing suhu kamar
6.77 g / cm 31.85 g / cm 3
0.534
40.7
👆🏻
Kapadhetan Nalika Liquid (ing mp)
6.50 g / cm31.69 g / cm3
0.512
41
👆🏻
Strength tensile
55.00 MPa287.00 MPa
0.1
11000
👆🏻
viskositas
0.000.00
1.5E-05
0.0035
👆🏻
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)0.00 (Pa)
0
121
👆🏻
Meksa beluk ing 2000 K
13.20 (Pa)0.00 (Pa)
0
774
👆🏻
situs kelenturan
nyukur pengaturan
14.80 GPA132.00 GPA
1.3
222
👆🏻
pengaturan akeh
28.80 GPA130.00 GPA
0
462
👆🏻
Young kang pengaturan
37.30 GPA287.00 GPA
0
528
👆🏻
Poisson rasio
0.280.03
0.032
0.47
👆🏻
Properties Teknik liyane
ductile, malleable
-
Ciri Magnetic
Gravitasi tartamtu
6.771.85
0.53
4500
👆🏻
Nindakake Magnetic
paramagnetic
diamagnetic
permeabilitas
0.00 H / m0.00 H / m
1.25643E-06
0.0063
👆🏻
kelemahan
0.000.00
-0.000166
200000
👆🏻
Properties Listrik
Property Listrik
Arman
Semiconductor
resistivity
0.70 nΩ · m36.00 nΩ · m
0.1
961
👆🏻
konduktivitas listrik
0.01 10 6 / cm Ω0.31 10 6 / cm Ω
0
0.63
👆🏻
elektron Affinity
50.00 kJ / mol0.00 kJ / mol
0
222.8
👆🏻
Kalor tartamtu
0.19 J / (kg K)1.82 J / (kg K)
0.1
3.6
👆🏻
Graham Kapasitas kalor
27.20 J / mol · K16.44 J / mol · K
13.1
62.7
👆🏻
doyo termal
12.50 W / m · K200.00 W / m · K
0
429
👆🏻
suhu kritis
1,208.00 K1,551.00 K
26.3
3695
👆🏻
Expansion termal
6.70 μm / (m · K)11.30 μm / (m · K)
4.5
97
👆🏻
enthalpy
Enthalpy panguapan
296.80 kJ / mol294.70 kJ / mol
7.32
799.1
👆🏻
Enthalpy saka Fusion
6.89 kJ / mol11.72 kJ / mol
2.1
35.23
👆🏻
Enthalpy saka atomization
368.00 kJ / mol326.40 kJ / mol
61.5
837
👆🏻
Standard molar Entropy
73.20 J / mol.K9.50 J / mol.K
9.5
198.1
👆🏻