Francium mungsuh Neodymium
Tabel périodik
Symbol
Fr
Nd
Panggil Group
1
17
1
17
Panggil periode
7
6
Block
s pemblokiran
pemblokiran f
Family unsur
alkali
lanthanide
CAS Number
7440735
18
7440008
99+
Jeneng papan Group
ora Sumadhiya
P63 / mmc
Space Group Number
ora Sumadhiya
194.00
5
facts
Facts Interesting
- 223 Francium wis setengah urip paling dawa ing 21,8.
- Metal Francium diprodhuksi dening ALPHA bosok ing 227 Actinium 227.
- Neodymium ora ketemu gratis ing alam, Empu iku ora logam native.
- metal Neodymium ditemokaké ing mineral Monazite lan bastnaesite.
sumber
Kawangun dening Process Bosok, Mining
Found in Minerals, Mining
History
sing katutup
Marguerite Perey
Carl Auer von Welsbach
Discovery
ing taun 1939
ing taun 1885
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
1 * 10-6 %
16
Turah mbrawah Ing Sun
~-9999 %
~0.0000003 %
24
Turah mbrawah Ing meteorit
ora Sumadhiya
0.00 %
30
Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya
0.00 %
20
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
30
ulah
Ulah lan Wuku
- Francium ora wis dikenal Efesus minangka wis urip setengah saka mung 22 menit.
- alloy Neodymium-Iron-boron digunakake kanggo nggawe wesi sembrani permanen.
- Kang digunakake ing Mikrofon, Mp3 pamuter, speaker, telpon seluler, etc.
Ulah Industrial
NA
Industry Aerospace, Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
NA
wesi
Properties biologi
keracunan
NA
non Toxic
Saiki ing badan Human
Ora
Ora
Sang
0.00 Sang / mg dm-3
37
ora Sumadhiya
ing Bone
0.00 ppm
36
ora Sumadhiya
fisik Properties
leleh Point
27.00 ° C
99+
1,010.00 ° C
99+
Boiling Point
677.00 ° C
99+
3,127.00 ° C
28
katon
State fisik
Solid
Solid
warna
NA
perak Putih
luster
NA
metallic
atose
Brinell atose
ora Sumadhiya
265.00 MPa
35
Vickers atose
ora Sumadhiya
345.00 MPa
27
Kacepetan swara
ora Sumadhiya
2,330.00 m / s
38
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
Fr
Nd
isotop
Isotop dikenal
33
6
30
9
keelektronegatifan
Pauling Elektronegativitas
0.70
99+
1.14
99+
Allred Rochow Elektronegativitas
0.86
99+
1.07
32
Mulliken-Jaffe Elektronegativitas
0.68
25
ora Sumadhiya
Allen Elektronegativitas
0.67
99+
ora Sumadhiya
Electropositivity
Pauling Electropositivity
3.30
1
2.86
13
tenogo ionisasi
Level Energy 1st
380.00 kJ / mol
99+
533.10 kJ / mol
99+
Level Energy 2
ora Sumadhiya
1,040.00 kJ / mol
99+
Level Energy 3rd
ora Sumadhiya
2,130.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
3,900.00 kJ / mol
99+
padha karo elektrokimia
8.32 g / amp-day
1
1.79 g / amp-day
37
Fungsi Work elektron
ora Sumadhiya
3.20 eV
34
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
Kimia Stabilitas, Corrosion, kebakar, ionisasi
atom Properties
Panggil atom
87
31
60
99+
Konfigurasi elektron
[Rn] 7s 1
[Xe] 4F 4 6s 2
Struktur Crystal
Body tengah kubik (Bcc)
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
BCC-Crystal-Structure-.jpg#100
DHCP-Crystal-Structure-of-Neodymium.jpg#100
atom
Jumlah proton
87
31
60
99+
Jumlah Neutron
136
17
84
40
Jumlah Èlèktron
87
31
60
99+
Radius saka Atom
Radius atom
ora Sumadhiya
181.00 pm
13
kovalen Radius
260.00 pm
1
201.00 pm
10
Van der Waals Radius
348.00 pm
1
229.00 pm
20
Bobot atom
223.00 Amu
27
144.24 Amu
99+
Volume atom
ora Sumadhiya
20.60 cm3 / mol
18
Nomer atom jejer
Potensi Valence Electron
8.00 (-eV)
99+
43.40 (-eV)
99+
Constant pola
ora Sumadhiya
365.80 pm
30
pola Angles
NA
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
1.61
4
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
1.87 g / cm 3
99+
7.01 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya
6.89 g / cm3
36
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
ora Sumadhiya
0.00 (Pa)
21
Meksa beluk ing 2000 K
ora Sumadhiya
101.00 (Pa)
2
situs kelenturan
nyukur pengaturan
ora Sumadhiya
16.30 GPA
38
pengaturan akeh
ora Sumadhiya
31.80 GPA
37
Young kang pengaturan
ora Sumadhiya
41.40 GPA
40
Poisson rasio
ora Sumadhiya
0.28
16
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
ora Sumadhiya
7.00
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman miskin
NA
resistivity
3.00 nΩ · m
99+
643.00 nΩ · m
6
konduktivitas listrik
0.03 10 6 / cm Ω
40
0.02 10 6 / cm Ω
99+
elektron Affinity
ora Sumadhiya
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
ora Sumadhiya
0.19 J / (kg K)
32
Graham Kapasitas kalor
ora Sumadhiya
27.45 J / mol · K
17
doyo termal
15.00 W / m · K
99+
16.50 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
9.60 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
ora Sumadhiya
273.00 kJ / mol
34
Enthalpy saka Fusion
ora Sumadhiya
7.14 kJ / mol
99+
Enthalpy saka atomization
71.00 kJ / mol
99+
322.00 kJ / mol
32
Standard molar Entropy
ora Sumadhiya
71.50 J / mol.K
13
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