Rh

Rọdiịmu

Elementị 45 · 102.91 u

Nhazi metal d-block Oge 5 Ụlọọrụ 9 Òtù na RT Wikipedia →

Rhodium bụ otu n'ime ndị kasị na-adịkarị na-eri ihe dị ka precious metals, priced maka ya reflectivity.

Nkarachọ

Atomic mass102.91 u
Mgbatị12.41 g/cm³
Mmalite2237.0 K
Nhazi3968.0 K
NhaziSilvery-white metallic
Oge n'ime ụlọÒtù

Ihenhọrọ ndị ahụ

Elektrọn2.28 (Pauling)
Nhazi719.7 kJ/mol
Elektrọn109.7 kJ/mol
Oxygenation state+1, +2, +3, +4, +5, +6

Ihenhọrọ nke atom

Nhazi[Kr] 4d8 5s1
Atomic Radius134.0 pm
Covalent Radius142.0 pm
Van der Waals Radius195.0 pm

Ndesịta ozi ndị ahụ

E chọpụtara site naWilliam Hyde Wollaston
Ụbọchị emeredịkachọrọ1803
EbeLondon, England
Aha mgbe ahụGreek 'rhodon' pụtara ọlaedo, site na ụcha nke salts ya

Báà Rọdiịmu

Rhodium bụ ultra-rarity, silvery-acha ọcha, siri ike, na corrosion-resistant. Ọ nwere elu reflectance nke ọ bụla metal na bụ otu n'ime ndị kasị ọnụ metal na ụwa.

Usoroiheomume

Catalytic convertors, jewelry plating, laboratory crucibles, na optical instruments.

Eziokwu dị ụtọ

N'ihe dị ka 80% nke ụwa rhodium bụ ejiri na catalytic convertors, na ọ bụ mgbe ụfọdụ dị ọnụ ala karịa ọla edo ma ọ bụ platinum.

Isotopes

Nkebi Afọ́ọ̀ltụ̀ Half-Life Òtù
103 1.0% - Ee

Nhazi

[Kr] 4d8 5s1

Tụnyere

Banye na ndị ọzọ

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