mbandhingaké iridium lan kalium
Tabel périodik
Symbol
Ir
K
Panggil Group
9
9
1
17
Panggil periode
6
4
Block
d block
s pemblokiran
Family unsur
transisi Metal
alkali
CAS Number
7439885
99+
7440097
99+
Jeneng papan Group
Fm_ 3M
3M Im_
Space Group Number
225.00
2
229.00
1
facts
Facts Interesting
- unsur Iridium occurs minangka wesi alam Platinum lan Osmium.
- unsur Iridium dikenal minangka paling metal resistance karat.
- Ing dhaptar paling unsur KALUBÈRAN kalium wis ditingkat 7th.
- Kalium bisa gampang ngiris (disigar) mudhun nggunakake piso.
sumber
Found in Minerals, Mining, Ores saka Minerals
Found in Minerals, Mining
History
sing katutup
Smithson Tennant
Humphry Davy
Discovery
ing 1803
1807
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
3 * 10-4 %
9
Turah mbrawah Ing Sun
~0.0000002 %
25
~0.0004 %
9
Turah mbrawah Ing meteorit
0.00 %
29
0.07 %
9
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
99+
1.50 %
6
Turah mbrawah Ing Segara
ora Sumadhiya
0.04 %
3
Turah mbrawah Ing Manungsa
ora Sumadhiya
0.20 %
2
ulah
Ulah lan Wuku
- Iridium duwe sifat anti karat lan digunakake ing alloy khusus karo logam Osmium lan alloy sing digunakake ing tips pen lan Compass bantalan poros.
- senyawa kalium kang ana ing dhuwur dikarepake kanggo aplikasi ing Manufaktur pupuk.
- Kalium karbonat digunakake ing Manufaktur kaca lan kalium karbonat ing Manufaktur deterjen lan awak wisuh.
Ulah Industrial
Industry automobile, Industry Listrik, Industry Elektronik
Industry amunisi, Industri Kimia
Ulah Medical
NA
Industry Pharmaceutical
Ulah liyane
wesi
NA
Properties biologi
keracunan
Toxic
Toxic
Saiki ing badan Human
Ya
Ya
Sang
ora Sumadhiya
1,620.00 Sang / mg dm-3
2
ing Bone
ora Sumadhiya
2,100.00 ppm
3
fisik Properties
leleh Point
2,410.00 ° C
7
63.65 ° C
99+
Boiling Point
4,527.00 ° C
10
774.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Putih
perak Gray
luster
metallic
NA
atose
Mohs atose
6.50
5
0.40
23
Brinell atose
1,670.00 MPa
5
0.36 MPa
99+
Vickers atose
1,760.00 MPa
3
ora Sumadhiya
Kacepetan swara
4,825.00 m / s
13
2,000.00 m / s
99+
Properties Optical
reflectivity
78.00 %
6
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
Ir
K
isotop
Isotop dikenal
34
5
20
19
keelektronegatifan
Pauling Elektronegativitas
2.20
4
0.82
99+
Sanderson Elektronegativitas
ora Sumadhiya
0.45
31
Allred Rochow Elektronegativitas
1.55
11
0.91
39
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
0.73
23
Allen Elektronegativitas
1.68
17
0.73
99+
Electropositivity
Pauling Electropositivity
1.80
99+
3.18
3
tenogo ionisasi
Level Energy 1st
880.00 kJ / mol
9
418.80 kJ / mol
99+
Level Energy 2
1,600.00 kJ / mol
35
3,052.00 kJ / mol
5
Level Energy 3rd
ora Sumadhiya
4,420.00 kJ / mol
8
Level Energy 4
ora Sumadhiya
5,877.00 kJ / mol
9
Level Energy 5th
ora Sumadhiya
7,975.00 kJ / mol
8
Level Energy 6th
ora Sumadhiya
9,590.00 kJ / mol
13
tingkat Energy 7
ora Sumadhiya
11,343.00 kJ / mol
17
Level Energy 8
ora Sumadhiya
14,944.00 kJ / mol
13
Level Energy 9
ora Sumadhiya
16,963.70 kJ / mol
15
Level Energy 10th
ora Sumadhiya
48,610.00 kJ / mol
3
Level Energy 11
ora Sumadhiya
54,490.00 kJ / mol
4
Level Energy 12
ora Sumadhiya
60,730.00 kJ / mol
4
Level Energy 13
ora Sumadhiya
68,950.00 kJ / mol
4
Level Energy 14
ora Sumadhiya
75,900.00 kJ / mol
5
Level Energy 15
ora Sumadhiya
83,080.00 kJ / mol
6
Level Energy 16
ora Sumadhiya
93,400.00 kJ / mol
7
Level Energy 17
ora Sumadhiya
99,710.00 kJ / mol
8
padha karo elektrokimia
1.14 g / amp-day
99+
1.46 g / amp-day
99+
Fungsi Work elektron
4.55 eV
13
2.30 eV
99+
Properties Kimia liyane
kebakar, ionisasi, Isotop radioaktif, Radioaktif
Kimia Stabilitas, Flammability, ionisasi, kelarutan
atom Properties
Panggil atom
77
39
19
99+
Konfigurasi elektron
[Xe] 4F 14 5d 7 6s 2
[Ar] 4s 1
Struktur Crystal
Face tengah kubik (FCC)
Body tengah kubik (Bcc)
Crystal pola
FCC-Crystal-Structure-of-Iridium.jpg#100
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
74
99+
19
99+
Jumlah Neutron
110
27
20
99+
Jumlah Èlèktron
74
99+
19
99+
Radius saka Atom
Radius atom
136.00 pm
99+
227.00 pm
3
kovalen Radius
141.00 pm
99+
203.00 pm
9
Van der Waals Radius
202.00 pm
27
275.00 pm
5
Bobot atom
192.22 Amu
34
39.10 Amu
99+
Volume atom
9.53 cm3 / mol
99+
45.46 cm3 / mol
3
Nomer atom jejer
Potensi Valence Electron
140.00 (-eV)
5
10.40 (-eV)
99+
Constant pola
383.90 pm
26
532.80 pm
12
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
22.56 g / cm 3
10
0.86 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
19.00 g / cm3
3
0.83 g / cm3
99+
Strength tensile
2,000.00 MPa
2
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
0.00 (Pa)
25
ora Sumadhiya
situs kelenturan
nyukur pengaturan
210.00 GPA
2
1.30 GPA
99+
pengaturan akeh
320.00 GPA
3
3.10 GPA
99+
Young kang pengaturan
528.00 GPA
1
3.53 GPA
99+
Poisson rasio
0.26
22
ora Sumadhiya
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
21.78
3
0.86
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
47.10 nΩ · m
99+
72.00 nΩ · m
37
konduktivitas listrik
0.19 10 6 / cm Ω
10
0.14 10 6 / cm Ω
14
elektron Affinity
151.00 kJ / mol
4
48.40 kJ / mol
22
termal Properties
Kalor tartamtu
0.13 J / (kg K)
39
0.75 J / (kg K)
6
Graham Kapasitas kalor
25.10 J / mol · K
99+
29.60 J / mol · K
6
doyo termal
147.00 W / m · K
10
102.50 W / m · K
15
suhu kritis
ora Sumadhiya
2,223.00 K
3
Expansion termal
6.40 μm / (m · K)
99+
83.30 μm / (m · K)
3
enthalpy
Enthalpy panguapan
799.10 kJ / mol
1
77.50 kJ / mol
99+
Enthalpy saka Fusion
35.23 kJ / mol
1
2.32 kJ / mol
99+
Enthalpy saka atomization
837.00 kJ / mol
1
89.50 kJ / mol
99+
Standard molar Entropy
35.50 J / mol.K
99+
64.70 J / mol.K
18
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