What is an interesting fact about samarium?
What is an interesting fact about samarium?
Samarium is a yellowish silver-colored metal. It is the hardest and the most brittle of the rare earth elements. It tarnishes in air and will ignite in air at about 150 °C. Under ordinary conditions, the metal has rhombohedral crystals.
What are some cool facts about Christmas?
55 Fun Christmas Facts to Get You in the Holiday Spirit
- “Jingle Bells” was the first song played in space.
- And it was originally a Thanksgiving song!
- The tradition of hanging stockings comes from a legend about marriage.
- The NORAD Santa Tracker was created due to a child’s misunderstanding.
What is an unusual use of samarium?
Samarium is used to dope calcium chloride crystals for use in optical lasers. It is also used in infrared absorbing glass and as a neutron absorber in nuclear reactors. Samarium oxide finds specialised use in glass and ceramics.
What is special about the name of samarium?
Samarium is a chemical element with the symbol Sm and atomic number 62. It is a moderately hard silvery metal that slowly oxidizes in air. Samarium was discovered in 1879 by the French chemist Paul-Émile Lecoq de Boisbaudran and named after the mineral samarskite from which it was isolated.
How does samarium look like?
Characteristics: 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 oC or higher.
Why is samarium important?
One of the most important uses of samarium is in the manufacture of very powerful magnets. Samarium is combined with the metal cobalt to make samarium-cobalt, or SmCo, magnets. They are among the strongest magnets known. They also have other desirable properties.
What are 3 facts about Christmas?
Amazing Christmas Facts for Children
- Christmas celebrates the birth of Jesus Christ.
- Christmas trees were first used by ancient Egyptians and Romans.
- The term ‘Xmas’ simply means Christmas.
- Santa Claus was known as Sinterklaas in Dutch.
- Santa Claus did not always dress up in red clothes.
Is samarium found in the human body?
Ceramics, lasers and medicine Tiny amounts of samarium are found in the human body – about 50 mg – but it has no biological role. That hasn’t stopped it being used in medical treatment, however. The isotope samarium-153 is a beta-emitter with a half-life of two days.
What family is samarium in?
lanthanide group
Samarium is a silvery-white metal belonging to the lanthanide group of the periodic table.
Does the human body use samarium?
According to researchers, samarium speeds up metabolism. In the human body, the metal is found in the bloodstream, kidneys, and liver. Exposure may cause eye and skin irritation because the salts and compounds are found to be moderately to highly toxic. The metal has been found in some plants and animals as well.
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Where can you find samarium on the Earth?
There is scant data about the toxicity of the element so it should be handed carefully. Samarium is found along with other rare earth elements in many minerals, including monazite (2.8 percent) and bastnasite, which are commercial sources.
What are the properties of the element samarium?
Properties of samarium. Samarium, part of the lanthanide group of elements, is fairly stable in air and has a bright silver sheen. Three crystal modifications of the metal exist, with transformations at 734 and 922 C (1,353 and 1,692 F).
Who was the first person to discover samarium?
Discovery: In 1879, French chemist Paul Émile Lecoq de Boisbaudran discovered the element spectroscopically by its sharp absorption lines in samarskite. Samarium, part of the lanthanide group of elements, is fairly stable in air and has a bright silver sheen.
What are some interesting facts about Christmas Day?
Get other interesting facts about Christmas below: When the people celebrate Christmas, they commemorate the birth date of Jesus Christ. The people celebrate it on December 25th. There are billions of people who celebrate the day around the world. Christmas is considered as a public holiday in various countries in the world.