lanthanum mungsuh Protaktinium
Tabel périodik
Symbol
La
Pa
Panggil Group
ora Sumadhiya
ora Sumadhiya
Panggil periode
6
7
Block
pemblokiran f
pemblokiran f
Family unsur
lanthanide
actinide
CAS Number
7439910
99+
7440133
99+
Jeneng papan Group
P63 / mmc
I4 / mmm
Space Group Number
194.00
5
139.00
8
facts
Facts Interesting
- Lanthanum logam punika Highly malleable, ductile lan sectile.
- Yen kapapar logam Lanthanum online oxidizes kanthi cepet.
- metal Protaktinium wis 29 isotop.
- Isotop saka Protaktinium-231 digunakake ing gegaman nuklir.
sumber
Found in Minerals, Mining, Ores saka Minerals
Found in Ores Uranium, Mining, Ores logam
History
sing katutup
Carl Gustaf Mosander
William Crookes
Discovery
Wonten ing taun 1838
ing taun 1900
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
ora Sumadhiya
Turah mbrawah Ing Sun
~0.0000002 %
25
~-9999 %
Turah mbrawah Ing meteorit
0.00 %
32
ora Sumadhiya
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
19
0.00 %
99+
Turah mbrawah Ing Segara
0.00 %
29
0.00 %
99+
ulah
Ulah lan Wuku
Character length exceed error
- Efesus saiki dikenal saka logam Protaktinium sing winates kanggo riset waé mung.
Ulah Industrial
Industry Listrik, Industry Elektronik
NA
Ulah Medical
NA
NA
Ulah liyane
wesi, Manufacturing mirror
NA
Properties biologi
keracunan
Low Toxic
Highly Toxic
Saiki ing badan Human
Ya
Ora
Sang
ora Sumadhiya
0.00 Sang / mg dm-3
37
ing Bone
0.08 ppm
24
0.00 ppm
36
fisik Properties
leleh Point
920.00 ° C
99+
1,568.00 ° C
21
Boiling Point
3,469.00 ° C
18
4,027.00 ° C
12
katon
State fisik
Solid
Solid
warna
perak Putih
Silver
luster
NA
metallic
atose
Mohs atose
2.50
14
ora Sumadhiya
Brinell atose
350.00 MPa
30
ora Sumadhiya
Vickers atose
360.00 MPa
26
ora Sumadhiya
Kacepetan swara
2,475.00 m / s
37
ora Sumadhiya
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
La
Pa
isotop
Isotop dikenal
31
8
27
12
keelektronegatifan
Pauling Elektronegativitas
1.10
99+
1.50
27
Allred Rochow Elektronegativitas
1.08
31
1.14
28
Electropositivity
Pauling Electropositivity
2.90
10
2.50
27
tenogo ionisasi
Level Energy 1st
538.10 kJ / mol
99+
568.00 kJ / mol
99+
Level Energy 2
1,067.00 kJ / mol
99+
1,128.00 kJ / mol
99+
Level Energy 3rd
1,850.30 kJ / mol
99+
1,814.00 kJ / mol
99+
Level Energy 4
4,819.00 kJ / mol
22
2,991.00 kJ / mol
99+
Level Energy 5th
5,940.00 kJ / mol
25
ora Sumadhiya
padha karo elektrokimia
1.73 g / amp-day
99+
1.72 g / amp-day
99+
Fungsi Work elektron
3.50 eV
31
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
57
99+
91
27
Konfigurasi elektron
[Xe] 5d 2 6s 2
[Rn] 5F 2 6D 1 7s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Tetragonal (TETR)
Crystal pola
DHCP-Crystal-Structure-of-Lanthanum.jpg#100
TETR-Crystal-Structure-of-Protactinium.jpg#100
atom
Jumlah proton
57
99+
91
27
Jumlah Neutron
82
99+
122
21
Jumlah Èlèktron
57
99+
91
27
Radius saka Atom
Radius atom
187.00 pm
8
163.00 pm
25
kovalen Radius
207.00 pm
6
200.00 pm
11
Van der Waals Radius
240.00 pm
13
243.00 pm
11
Bobot atom
138.91 Amu
99+
231.04 Amu
24
Volume atom
20.73 cm3 / mol
16
15.00 cm3 / mol
34
Nomer atom jejer
Potensi Valence Electron
40.71 (-eV)
99+
92.00 (-eV)
11
Constant pola
377.20 pm
28
392.50 pm
23
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
1.62
2
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
6.16 g / cm 3
99+
15.37 g / cm 3
20
Kapadhetan Nalika Liquid (ing mp)
5.94 g / cm3
99+
ora Sumadhiya
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
0.98 (Pa)
15
ora Sumadhiya
situs kelenturan
nyukur pengaturan
14.30 GPA
40
ora Sumadhiya
pengaturan akeh
27.90 GPA
99+
ora Sumadhiya
Young kang pengaturan
36.60 GPA
99+
ora Sumadhiya
Poisson rasio
0.28
17
ora Sumadhiya
Properties Teknik liyane
ductile
Unknown
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
6.17
99+
15.37
12
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
615.00 nΩ · m
7
177.00 nΩ · m
21
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.05 10 6 / cm Ω
34
elektron Affinity
48.00 kJ / mol
23
ora Sumadhiya
termal Properties
Kalor tartamtu
0.19 J / (kg K)
32
0.12 J / (kg K)
40
Graham Kapasitas kalor
27.11 J / mol · K
21
ora Sumadhiya
doyo termal
13.40 W / m · K
99+
47.00 W / m · K
32
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
12.10 μm / (m · K)
32
9.90 μm / (m · K)
40
enthalpy
Enthalpy panguapan
399.60 kJ / mol
17
ora Sumadhiya
Enthalpy saka Fusion
6.20 kJ / mol
99+
12.34 kJ / mol
28
Enthalpy saka atomization
431.00 kJ / mol
16
ora Sumadhiya
Standard molar Entropy
56.90 J / mol.K
23
198.10 J / mol.K
1
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