rhodium mungsuh neptunium
Tabel périodik
Symbol
Rh
Np
Panggil Group
9
9
ora Sumadhiya
Panggil periode
5
7
Block
d block
pemblokiran f
Family unsur
transisi Metal
actinide
CAS Number
7440166
99+
7439998
99+
Jeneng papan Group
Fm_ 3M
Pnma
Space Group Number
225.00
2
62.00
11
facts
Facts Interesting
- Rhodium punika unsur paling langka metu kabeh logam non-radioaktif ing bumi.
- Rhodium punika salah siji sing paling awet lan hard logam, kang uga duwe reflectance dhuwur.
ora Cepak
sumber
bumi lemah ndhuwur, Found Minangka By-produk, Found in Minerals, Mining
Digawe dening némbakaké Uranium karo Neutron, Ores logam
History
sing katutup
William Hyde Wollaston
Edwin McMillan and Philip H. Abelson
Discovery
ing taun 1804
ing taun 1940
turah mbrawah
Turah mbrawah Ing Universe
6 * 10-8 %
26
ora Sumadhiya
Turah mbrawah Ing Sun
~0.0000002 %
25
~-9999 %
Turah mbrawah Ing meteorit
0.00 %
36
ora Sumadhiya
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
99+
ora Sumadhiya
ulah
Ulah lan Wuku
Character length exceed error
- Efesus saiki dikenal saka logam Neptunium sing winates kanggo riset waé mung.
- Neptunium kang isotop neptunium-237 digunakake minangka neutron detektor.
Ulah Industrial
Industry Aerospace, Industry automobile, Industry Listrik, Industry Elektronik
NA
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi, Nuclear Riset, tujuan Research
Properties biologi
keracunan
NA
Toxic
Saiki ing badan Human
Ora
Ora
Sang
ora Sumadhiya
0.00 Sang / mg dm-3
37
ing Bone
ora Sumadhiya
0.00 ppm
36
fisik Properties
leleh Point
1,966.00 ° C
12
640.00 ° C
99+
Boiling Point
3,727.00 ° C
17
3,902.00 ° C
13
katon
State fisik
Solid
Solid
warna
perak Putih
Silver
luster
metallic
metallic
atose
Mohs atose
6.00
6
ora Sumadhiya
Brinell atose
980.00 MPa
9
ora Sumadhiya
Vickers atose
1,100.00 MPa
9
ora Sumadhiya
Kacepetan swara
4,700.00 m / s
15
ora Sumadhiya
Properties Optical
reflectivity
84.00 %
4
ora Sumadhiya
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
Rh
Np
isotop
Isotop dikenal
16
23
20
19
keelektronegatifan
Pauling Elektronegativitas
2.28
3
1.36
29
Allred Rochow Elektronegativitas
1.45
16
1.22
26
Allen Elektronegativitas
1.56
24
ora Sumadhiya
Electropositivity
Pauling Electropositivity
1.72
99+
2.64
25
tenogo ionisasi
Level Energy 1st
719.70 kJ / mol
29
604.50 kJ / mol
99+
Level Energy 2
1,740.00 kJ / mol
26
1,128.00 kJ / mol
99+
Level Energy 3rd
2,997.00 kJ / mol
27
1,997.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
3,242.00 kJ / mol
99+
padha karo elektrokimia
1.28 g / amp-day
99+
1.77 g / amp-day
39
Fungsi Work elektron
4.98 eV
6
ora Sumadhiya
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
45
99+
93
25
Konfigurasi elektron
[Kr] 4d 8 5S 1
[Rn] 5F 4 6D 1 7s 2
Struktur Crystal
Face tengah kubik (FCC)
Orthorhombic (Orth)
Crystal pola
FCC-Crystal-Structure-of-Rhodium.jpg#100
ORTH-Crystal-Structure-of-Neptunium.jpg#100
atom
Jumlah proton
45
99+
93
25
Jumlah Neutron
58
99+
144
14
Jumlah Èlèktron
45
99+
93
25
Radius saka Atom
Radius atom
134.00 pm
99+
155.00 pm
30
kovalen Radius
142.00 pm
99+
190.00 pm
18
Van der Waals Radius
200.00 pm
28
221.00 pm
22
Bobot atom
102.91 Amu
99+
237.00 Amu
22
Volume atom
8.30 cm3 / mol
99+
11.62 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
64.00 (-eV)
22
96.00 (-eV)
9
Constant pola
380.34 pm
27
666.30 pm
3
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
12.41 g / cm 3
28
19.38 g / cm 3
14
Kapadhetan Nalika Liquid (ing mp)
10.70 g / cm3
14
ora Sumadhiya
Strength tensile
951.00 MPa
5
125.00 MPa
14
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
0.02 (Pa)
19
0.11 (Pa)
17
situs kelenturan
nyukur pengaturan
150.00 GPA
6
ora Sumadhiya
pengaturan akeh
275.00 GPA
5
ora Sumadhiya
Young kang pengaturan
380.00 GPA
5
ora Sumadhiya
Poisson rasio
0.26
22
ora Sumadhiya
Properties Teknik liyane
malleable
ductile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
12.41
20
20.25
6
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
43.30 nΩ · m
99+
1.22 nΩ · m
99+
konduktivitas listrik
0.21 10 6 / cm Ω
8
0.01 10 6 / cm Ω
99+
elektron Affinity
109.70 kJ / mol
7
ora Sumadhiya
termal Properties
Kalor tartamtu
0.24 J / (kg K)
22
0.12 J / (kg K)
40
Graham Kapasitas kalor
24.98 J / mol · K
99+
29.46 J / mol · K
8
doyo termal
150.00 W / m · K
9
6.30 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
8.20 μm / (m · K)
99+
ora Sumadhiya
enthalpy
Enthalpy panguapan
495.40 kJ / mol
12
ora Sumadhiya
Enthalpy saka Fusion
21.76 kJ / mol
10
3.20 kJ / mol
99+
Enthalpy saka atomization
556.50 kJ / mol
12
ora Sumadhiya
Standard molar Entropy
31.50 J / mol.K
99+
ora Sumadhiya
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