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Einsteinium is a man-made element that does not exist in nature or on the surface of the earth. Spontaneous natural transmutations of specific radioactive elements or the second explosion of thermonuclear bombs produce it in small quantities.
- It is represented as Es with the atomic number 99.
- This synthetic chemical element belongs to the actinoid series of the periodic table.
- Albert Ghiorso and colleagues at Berkeley, California, discovered this isotope in debris from the first thermonuclear (hydrogen bomb) explosion, "Mike," in the South Pacific, in December 1952 (November 1952).
- It was coined after the great physicist Albert Einstein.
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Key Terms: Einsteinium, Radioactive elements, Thermonuclear bombs, Actinoid, The periodic table, Isotope, Atomic mass, Hydrogen, Atomic number, Thermonuclear bombs
What is Einsteinium?
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Einsteinium is a rare element that was discovered in the remains of the first hydrogen bomb explosion in 1953.
- The 99th element on the Periodic Table of Elements, Einsteinium, is a synthetic element that is manufactured in exceedingly small quantities and has a very short lifetime.
- If the name seems familiar, it's because it's named after the famous physicist Albert Einstein, despite the fact that he had nothing to do with the discovery or research of the element.
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| Neodymium | Dysprosium | Lanthanum |
| Holmium | Colour transition elements | Lawrencium |
Discovery of Einsteinium
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According to Chemi cool, Einsteinium was discovered while examining wreckage from the first hydrogen bomb test in November 1952.
The debris recovered by drones was investigated using chemical analysis by a team of scientists from the Lawrence Berkeley National Laboratory, the Argonne National Laboratory, and the Los Alamos Scientific Laboratory, directed by Albert Ghiorso, an American nuclear physicist at Berkeley.
Position in the Periodic Table of Einsteinium
Position in the Periodic Table
Who Discovered Einsteinium?
Einsteinium was discovered by Seaborg, Glenn T., and Albert Ghiorso.
- On November 1, 1952, Einsteinium was discovered in the wreckage of the first thermonuclear explosion, which occurred on Pacific territory.
- Fall-out material collected from a nearby atoll was sent to Berkeley, California, for analysis.
- Gregory Choppin, Stanley Thompson, Albert Ghiorso, and Bernard Harvey analysed it there.
- They discovered and identified 200 atoms of einsteinium within a month, but it was not revealed until 1955.
- Einsteinium-253, with a half-life of 20.5 days, was produced after several uranium atoms captured several neutrons and went through a sequence of capture and decay events.
- By 1961, enough einsteinium had been collected to be seen to the naked eye and weighed, despite the fact that it amounted to only a few grammes.
Isotopes of Einsteinium
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Isotopes are members of an element family that have the same number of protons but differ in the number of neutrons.
- Einsteinium is a radioactive metallic element that belongs to the actinides group on the periodic table.
- It combines with the oxygen atom, steam, and acids, but not with alkali.
- The einsteinium atom's target oxidation level is +3.
- All isotopes of einsteinium are radioactive.
- Intense slow-neutron irradiation of substances with lower atomic numbers, such as plutonium, can yield mixtures of the isotopes einsteinium-253 (20.5-day half-life), einsteinium-254 (276-day half-life), and einsteinium-255 (39.8-day half-life).
Properties of Einsteinium
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The following are the properties of Einsteinium
| Properties of Einsteinium | |
|---|---|
| Group | Actinides |
| Melting point | 860°C, 1580°F, 1133 K |
| Period | 7 |
| Boiling point | Unknown |
| Block | f |
| Density (g cm−3) | Unknown |
| Atomic number | 99 |
| Relative atomic mass | [252] |
| State at 20°C | Solid |
| Key isotopes | 252Es |
| Electron configuration | [Rn] 5f117s2 |
| CAS number | 7429-92-7 |
| ChemSpider ID | 22356 |
Uses of Einsteinium
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The following are the uses of Einsteinium
- Einsteinium has only ever been synthesised in trace amounts, and it is mostly employed in scientific research.
- Einsteinium can be used to discover radioactive decay.
- It is one of the heaviest elements on which bulk investigations may be carried out.
- It has a few medical applications, but none of them are commercial.
- It is primarily used to investigate radiation damage, targeted radiation medical therapies, and accelerated ageing.
Things to Remember
- Einsteinium is a synthetic element that does not occur in nature or on the earth's surface.
- It is represented as Es with the atomic number 99
- It was coined after the great physicist Albert Einstein.
- Einsteinium is a rare element found in the aftermath of the first hydrogen bomb detonation in 1953.
- Einsteinium was discovered by Seaborg, Glenn T, Albert Ghiorso
- It is primarily used to investigate radiation damage, targeted radiation medical therapies, and accelerated ageing.
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Sample Questions
Ques. Is einsteinium glow in the dark? (1 Mark)
Ans.
Einsteinium glows blue in the dark because of the huge release of energy when it undergoes radioactive decay, according to Redfern.Ques. Is einsteinium a rare earth metal? (1 Mark)
Ans.
Einsteinium is a radioactive rare earth metal named after Albert Einstein.Ques. Is einsteinium flammable? (1 Mark)
Ans.
Yes, Einsteinium is flammable. It is technically classified as combustible because it will spontaneously ignite when exposed to oxygen in the air.Ques. Is einsteinium magnetic? (2 Marks)
Ans.
Einsteinium is not ferromagnetic, yet it is categorized as paramagnetic. This indicates that while einsteinium does not ordinarily generate a magnetic field, it does produce internal magnetic fields when subjected to a weak external magnetic field.Ques. Why are Einsteinium's applications so limited? (2 Marks)
Ans. It is useless since just a few of its components are thought to have a half-life of roughly 20 days (which is why it will not be worth producing a drug or substance with this element). Furthermore, due to the scarcity of Einsteinium, it is rarely employed outside of basic scientific study. The isotope Es-253 is used to create the element mendelevium. Specifically, Einsteinium was employed for the first time in 1955 to synthesize 17 atoms of the newly discovered element mendelevium. Because of these factors, its use is limited to academic purposes exclusively.
Ques. Einsteinium has how many protons? (2 Marks)
Ans. Einsteinium, denoted by the symbol Es, is a soft, silvery metal element in the periodic table's bottom row. It has 99 protons but a variable number of neutrons. Its atomic mass, or the amount of neutrons it contains, is 153 on average.
Ques. What is Einsteinium's reactivity? (2 Marks)
Ans: Because einsteinium has only been produced in small quantities (a few milligrams), its reactivity with water is mostly unknown. There are a few notes in the literature indicating that einsteinium does react with water or steam, most likely forming einsteinium(III) oxide, Es2O3, and maybe additional compounds.
Ques. Is Einsteinium malleable or inelastic? (2 Marks)
Ans. Nonmetals form ionic connections with Einsteinium. Because Einsteinium is a metal element, it is both a good thermal and electrical conductor. At standard temperature and pressure, Einsteinium is a gleaming solid with a high melting point. Einsteinium can be shaped.
Ques. What kind of radiation does Einsteinium produce? (2 Marks)
Ans. Einsteinium-254 has a half-life of 276 days (the amount of time it takes for half of the material to decay) and decays into berkelium-250, which produces highly harmful gamma radiation.
Ques. What are Einsteinium's physical properties? (3 Marks)
Ans. Einsteinium's Physical Properties
- Average Atomic Mass: 252.
- Boiling Point: Linear Thermal Expansion Coefficient/K-1: N/A
- Electrical conductivity: Thermal conductivity is 0.1 W/cmK.
- Man-made radioactive metal that does not exist in nature.
- Classification of Flammability:
- See also melting point and freezing point.
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