安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- PALLADIUM Definition Meaning - Merriam-Webster
The meaning of PALLADIUM is a statue of Pallas whose preservation was believed to ensure the safety of Troy How to use palladium in a sentence
- Palladium - Wikipedia
Palladium is a chemical element; it has symbol Pd and atomic number 46 It is a rare and lustrous silvery-white metal discovered in 1802 by the English chemist William Hyde Wollaston He named it after the asteroid Pallas (formally 2 Pallas), which was itself named after the epithet of the Greek goddess Athena, acquired by her when she slew Pallas
- Palladium | Uses, Properties, Facts | Britannica
palladium (Pd), chemical element, the least dense and lowest-melting of the platinum metals of Groups 8–10 (VIIIb), Periods 5 and 6, of the periodic table, used especially as a catalyst (a substance that speeds up chemical reactions without changing their products) and in alloys
- PALLADIUM Definition Meaning | Dictionary. com
Palladium definition: a rare metallic element of the platinum group, silver-white, ductile and malleable, harder and fusing more readily than platinum: used chiefly as a catalyst and in dental and other alloys
- Palladium | History, Uses, Facts, Physical Chemical Characteristics
Palladium is a rare metal the minerals and ores of palladium are not very common in the earth’s crust Palladium is found in the alloy form with gold and other metals of the platinum group Commercially, palladium is produced by nickel-copper deposits that are found in Ontario and Siberia
- Palladium Facts, Symbol, Discovery, Properties, Uses - Chemistry Learner
Palladium (pronunciation peh-LAY-dee-em [2]), represented by the chemical symbol or formula Pd [1], is a rare, lustrous element belonging to the family of transition metals [3] Naturally occurring Pd is a mixture of 6 stable isotopes with mass numbers 102, 104, 105, 106, 108 and 110 [1, 3]
- Palladium (Pd) - Definition, Preparation, Properties, Uses, Compounds . . .
Palladium is a lustrous, silvery-white metal that distinguishes itself through its unique properties and wide range of applications With the atomic number 46 Palladium is noteworthy for its excellent ability to absorb hydrogen, making it an essential material in hydrogen storage and purification technologies
- PALLADIUM definition and meaning | Collins English Dictionary
a malleable ductile steel-grey element of the lanthanide series of metals, used in lighter flints and as a reducing agent in metallurgy Symbol: Ce; atomic no: 58; atomic wt: 140 115; valency: 3 or 4; relative density: 6 770; melting pt: 798°C; boiling pt: 3443°C Which chemical element am I?
|
|
|