Samarium is a chemical element; it has symbol Sm and atomic number 62. It is a moderately hard silvery metal that slowly oxidizes in air. Being a typical member of the lanthanide series, …

Samarium (Sm), chemical element, a rare-earth metal of the lanthanide series of the periodic table. Samarium is a moderately soft metal, silvery white in colour. It is relatively stable in air, …

Samarium is a rare earth metal with a pronounced silver lustre. It oxidizes in air and ignites spontaneously at 150 degrees centigrade. Rare Earth metals are a collection of seventeen …

Samarium is a silvery white, bright and hard metal. It is one of the lanthanide and is a rare earth metal. Its hardness and density are like zinc. Samarium is paramagnetic (material is weakly …

钐（Samarium），元素周期表第六周期第3族，属于镧系元素，元素符号Sm，原子序数62，相对原子质量150.36。 银白色金属，六方晶系。 相对密度为7.52g/cm3，熔点1074℃，沸 …

Samarium metal reacts at room temperature with oxygen or dry air relatively slowly; the reaction is rapid in moist air. It ignites in air at elevated temperatures and reacts with most nonmetallic …

Samarium is a bright, fairly hard, silvery white metal. It is one of the lanthanide rare earth metals. It is stable in air at normal temperatures, but ignites in air when the temperature is 150 o C or …

Samarium is one of the rare earth elements used to make carbon arc lights which are used in the motion picture industry for studio lighting and projector lights. Samarium also makes up about …

2023年7月9日 · Samarium is a chemical element with an atomic number 62 and is represented by the symbol ‘Sm’ in the periodic table. It is soft and silvery-white in appearance classified as …

2024年1月28日 · Samarium is a hard, silvery-white metal that tarnishes in air, giving it a dull golden appearance. It oxidizes and develops a gray-yellow color even when stored under …