Scandium mungsuh iridium
Tabel périodik
Symbol
Sc
Ir
Panggil Group
3
15
9
9
Panggil periode
4
6
Block
d block
d block
Family unsur
transisi Metal
transisi Metal
CAS Number
7440202
99+
7439885
99+
Jeneng papan Group
P63 / mmc
Fm_ 3M
Space Group Number
194.00
5
225.00
2
facts
Facts Interesting
- Scandium dikenal minangka salah siji saka unsur bumi.
- metal Scandium ditemokake ing mineral langka disebut wolframite.
- unsur Iridium occurs minangka wesi alam Platinum lan Osmium.
- unsur Iridium dikenal minangka paling metal resistance karat.
sumber
Found in Minerals, Mining, Ores logam, Ores saka Minerals
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Lars Fredrik Nilson
Smithson Tennant
Discovery
ing taun 1879
ing 1803
turah mbrawah
Turah mbrawah Ing Universe
3 * 10-6 %
15
2 * 10-7 %
22
Turah mbrawah Ing Sun
~0.000004 %
16
~0.0000002 %
25
Turah mbrawah Ing meteorit
0.00 %
18
0.00 %
29
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
23
0.00 %
99+
Turah mbrawah Ing Segara
0.00 %
32
ora Sumadhiya
ulah
Ulah lan Wuku
Character length exceed error
- Iridium duwe sifat anti karat lan digunakake ing alloy khusus karo logam Osmium lan alloy sing digunakake ing tips pen lan Compass bantalan poros.
Ulah Industrial
Industry Listrik, Industry Elektronik
Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi
Properties biologi
keracunan
non Toxic
Toxic
Saiki ing badan Human
Ya
Ya
Sang
0.01 Sang / mg dm-3
22
ora Sumadhiya
ing Bone
0.00 ppm
34
ora Sumadhiya
fisik Properties
leleh Point
1,539.00 ° C
24
2,410.00 ° C
7
Boiling Point
2,832.00 ° C
35
4,527.00 ° C
10
katon
State fisik
Solid
Solid
warna
perak Putih
perak Putih
luster
lustrous
metallic
atose
Mohs atose
ora Sumadhiya
6.50
5
Brinell atose
750.00 MPa
12
1,670.00 MPa
5
Vickers atose
ora Sumadhiya
1,760.00 MPa
3
Kacepetan swara
ora Sumadhiya
4,825.00 m / s
13
Properties Optical
reflectivity
ora Sumadhiya
78.00 %
6
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
Sc
Ir
isotop
Isotop dikenal
13
26
34
5
keelektronegatifan
Pauling Elektronegativitas
1.36
29
2.20
4
Sanderson Elektronegativitas
1.02
21
ora Sumadhiya
Allred Rochow Elektronegativitas
1.20
27
1.55
11
Allen Elektronegativitas
1.19
36
1.68
17
Electropositivity
Pauling Electropositivity
2.64
25
1.80
99+
tenogo ionisasi
Level Energy 1st
633.10 kJ / mol
99+
880.00 kJ / mol
9
Level Energy 2
1,235.00 kJ / mol
99+
1,600.00 kJ / mol
35
Level Energy 3rd
2,388.60 kJ / mol
99+
ora Sumadhiya
Level Energy 4
7,090.60 kJ / mol
6
ora Sumadhiya
Level Energy 5th
8,843.00 kJ / mol
6
ora Sumadhiya
Level Energy 6th
10,679.00 kJ / mol
7
ora Sumadhiya
tingkat Energy 7
13,310.00 kJ / mol
8
ora Sumadhiya
Level Energy 8
15,250.00 kJ / mol
11
ora Sumadhiya
Level Energy 9
17,370.00 kJ / mol
14
ora Sumadhiya
Level Energy 10th
21,726.00 kJ / mol
13
ora Sumadhiya
Level Energy 11
24,102.00 kJ / mol
16
ora Sumadhiya
Level Energy 12
66,320.00 kJ / mol
2
ora Sumadhiya
Level Energy 13
73,010.00 kJ / mol
2
ora Sumadhiya
Level Energy 14
80,160.00 kJ / mol
3
ora Sumadhiya
Level Energy 15
89,490.00 kJ / mol
4
ora Sumadhiya
Level Energy 16
97,400.00 kJ / mol
5
ora Sumadhiya
Level Energy 17
105,600.00 kJ / mol
6
ora Sumadhiya
Level Energy 18
117,000.00 kJ / mol
7
ora Sumadhiya
Level Energy 19
124,270.00 kJ / mol
8
ora Sumadhiya
padha karo elektrokimia
0.56 g / amp-day
99+
1.14 g / amp-day
99+
Fungsi Work elektron
3.50 eV
31
4.55 eV
13
Properties Kimia liyane
Corrosion, kebakar, ionisasi, Isotop radioaktif, kelarutan
kebakar, ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
21
99+
77
39
Konfigurasi elektron
[Ar] 3d 1 4s 2
[Xe] 4F 14 5d 7 6s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Face tengah kubik (FCC)
Crystal pola
HCP-Crystal-Structure-of-Scandium.jpg#100
FCC-Crystal-Structure-of-Iridium.jpg#100
atom
Jumlah proton
21
99+
74
99+
Jumlah Neutron
24
99+
110
27
Jumlah Èlèktron
21
99+
74
99+
Radius saka Atom
Radius atom
162.00 pm
26
136.00 pm
99+
kovalen Radius
170.00 pm
25
141.00 pm
99+
Van der Waals Radius
211.00 pm
25
202.00 pm
27
Bobot atom
44.96 Amu
99+
192.22 Amu
34
Volume atom
15.00 cm3 / mol
34
9.53 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
58.00 (-eV)
24
140.00 (-eV)
5
Constant pola
330.90 pm
99+
383.90 pm
26
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
1.59
7
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
2.99 g / cm 3
99+
22.56 g / cm 3
10
Kapadhetan Nalika Liquid (ing mp)
2.80 g / cm3
99+
19.00 g / cm3
3
Strength tensile
ora Sumadhiya
2,000.00 MPa
2
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)
22
ora Sumadhiya
Meksa beluk ing 2000 K
91.30 (Pa)
3
0.00 (Pa)
25
situs kelenturan
nyukur pengaturan
29.10 GPA
24
210.00 GPA
2
pengaturan akeh
56.60 GPA
21
320.00 GPA
3
Young kang pengaturan
74.40 GPA
26
528.00 GPA
1
Poisson rasio
0.28
18
0.26
22
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
2.99
99+
21.78
3
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
562.00 nΩ · m
10
47.10 nΩ · m
99+
konduktivitas listrik
0.02 10 6 / cm Ω
99+
0.19 10 6 / cm Ω
10
elektron Affinity
18.10 kJ / mol
33
151.00 kJ / mol
4
termal Properties
Kalor tartamtu
0.60 J / (kg K)
8
0.13 J / (kg K)
39
Graham Kapasitas kalor
25.52 J / mol · K
37
25.10 J / mol · K
99+
doyo termal
15.80 W / m · K
99+
147.00 W / m · K
10
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
10.20 μm / (m · K)
39
6.40 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
314.20 kJ / mol
28
799.10 kJ / mol
1
Enthalpy saka Fusion
14.10 kJ / mol
25
35.23 kJ / mol
1
Enthalpy saka atomization
343.00 kJ / mol
28
837.00 kJ / mol
1
Standard molar Entropy
34.60 J / mol.K
99+
35.50 J / mol.K
99+
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