osmium mungsuh iridium

osmium

iridium

iridium mungsuh osmium

Tabel périodik

Symbol

Panggil Group

Panggil periode

Block

d block

Family unsur

transisi Metal

CAS Number

7440042

99+

7439885

99+

Jeneng papan Group

P63 / mmc

Fm_ 3M

Space Group Number

194.00

225.00

facts

Facts Interesting

Osmium logam ora oxidize ing online kajaba kang digawe panas.
Nanging yen digawe panas den iku formulir Osmium tetroxide, kang Highly beracun.

unsur Iridium occurs minangka wesi alam Platinum lan Osmium.
unsur Iridium dikenal minangka paling metal resistance karat.

sumber

Found Minangka By-produk, Found in Minerals, Mining

Found in Minerals, Mining, Ores saka Minerals

History

sing katutup

Smithson Tennant

Discovery

ing 1803

turah mbrawah

Turah mbrawah Ing Universe

3 * 10^-7 %

2 * 10^-7 %

Turah mbrawah Ing Sun

~0.0000002 %

Turah mbrawah Ing meteorit

0.00 %

Turah mbrawah Ing bumi lemah ndhuwur

0.00 %

99+

0.00 %

99+

ulah

Ulah lan Wuku

Nduweni Efesus banget winates lan wesi banget hard lan digunakake ing Manufaktur saka tips pen, pivots, jarum lan kontak electrical.
Sampeyan uga dipigunakaké minangka katalis industri kanggo nyepetake reaksi kimia.

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 Aerospace, Industry automobile, Industry Listrik, Industry Elektronik

Industry automobile, Industry Listrik, Industry Elektronik

Ulah Medical

Ulah liyane

wesi

Properties biologi

keracunan

Highly Toxic

Toxic

Saiki ing badan Human

Ora

fisik Properties

leleh Point

3,045.00 ° C

2,410.00 ° C

Boiling Point

5,027.00 ° C

4,527.00 ° C

katon

State fisik

Solid

warna

Perak werna-Gray

perak Putih

luster

metallic

atose

Mohs atose

7.00

6.50

Brinell atose

3,490.00 MPa

1,670.00 MPa

Vickers atose

ora Sumadhiya

1,760.00 MPa

Kacepetan swara

4,940.00 m / s

4,825.00 m / s

Properties Optical

reflectivity

ora Sumadhiya

78.00 %

allotropes

Ora

α allotropes

ora Sumadhiya

β allotropes

ora Sumadhiya

γ allotropes

ora Sumadhiya

Kimia Properties

Formula Kimia

isotop

Isotop dikenal

keelektronegatifan

Pauling Elektronegativitas

2.20

Allred Rochow Elektronegativitas

1.52

1.55

Allen Elektronegativitas

1.65

1.68

Electropositivity

Pauling Electropositivity

1.80

99+

1.80

99+

tenogo ionisasi

Level Energy 1st

840.00 kJ / mol

880.00 kJ / mol

Level Energy 2

1,309.80 kJ / mol

99+

1,600.00 kJ / mol

Level Energy 3rd

1,600.00 kJ / mol

99+

ora Sumadhiya

padha karo elektrokimia

1.77 g / amp-day

1.14 g / amp-day

99+

Fungsi Work elektron

4.83 eV

4.55 eV

Properties Kimia liyane

Kimia Stabilitas, ionisasi, kelarutan

kebakar, ionisasi, Isotop radioaktif, Radioaktif

atom Properties

Panggil atom

Konfigurasi elektron

[Xe] 4F ¹⁴ 5d ⁶ 6s ²

[Xe] 4F ¹⁴ 5d ⁷ 6s ²

Struktur Crystal

Hexagonal Tutup dikempalken (HCP)

Face tengah kubik (FCC)

Crystal pola

BCC-Crystal-Structure-.jpg#100

FCC-Crystal-Structure-of-Iridium.jpg#100

atom

Jumlah proton

99+

Jumlah Neutron

114

110

Jumlah Èlèktron

99+

Radius saka Atom

Radius atom

133.80 pm

99+

136.00 pm

99+

kovalen Radius

ora Sumadhiya

141.00 pm

99+

Van der Waals Radius

216.00 pm

202.00 pm

Bobot atom

190.23 Amu

192.22 Amu

Volume atom

8.49 cm3 / mol

99+

9.53 cm3 / mol

99+

Nomer atom jejer

unsur Previous

Sabanjure unsur

Potensi Valence Electron

91.40 (-eV)

140.00 (-eV)

Constant pola

273.44 pm

99+

383.90 pm

pola Angles

π/2, π/2, 2 π/3

π/2, π/2, π/2

Pola C / A rasio

1.58

ora Sumadhiya

Teknik Properties

Kapadhetan

Kapadhetan Ing suhu kamar

22.59 g / cm ³

22.56 g / cm ³

Kapadhetan Nalika Liquid (ing mp)

20.00 g / cm3

19.00 g / cm3

Strength tensile

1,000.00 MPa

2,000.00 MPa

viskositas

ora Sumadhiya

meksa beluk

Meksa beluk ing 2000 K

0.00 (Pa)

situs kelenturan

nyukur pengaturan

222.00 GPA

210.00 GPA

pengaturan akeh

462.00 GPA

320.00 GPA

Young kang pengaturan

ora Sumadhiya

528.00 GPA

Poisson rasio

0.25

0.26

Properties Teknik liyane

ductile

Magnetic Properties

Ciri Magnetic

Gravitasi tartamtu

22.57

21.78

Nindakake Magnetic

paramagnetic

Properties Listrik

Property Listrik

Arman

resistivity

81.20 nΩ · m

47.10 nΩ · m

99+

konduktivitas listrik

0.11 10 ⁶ / cm Ω

0.19 10 ⁶ / cm Ω

elektron Affinity

106.10 kJ / mol

151.00 kJ / mol

termal Properties

Kalor tartamtu

0.13 J / (kg K)

Graham Kapasitas kalor

24.70 J / mol · K

99+

25.10 J / mol · K

99+

doyo termal

87.60 W / m · K

147.00 W / m · K

suhu kritis

ora Sumadhiya

Expansion termal

5.10 μm / (m · K)

99+

6.40 μm / (m · K)

99+

enthalpy

Enthalpy panguapan

627.60 kJ / mol

799.10 kJ / mol

Enthalpy saka Fusion

29.30 kJ / mol

35.23 kJ / mol

Enthalpy saka atomization

669.00 kJ / mol

837.00 kJ / mol

Standard molar Entropy

32.60 J / mol.K

99+

35.50 J / mol.K

99+

Tabel périodik >>

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