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What is Americium mean?
Americium is a synthetic radioactive chemical element with the symbol Am and atomic number 95. It is a transuranic member of the actinide series, in the periodic table located under the lanthanide element europium, and thus by analogy was named after the Americas.
Americium was first produced in 1944 by the group of Glenn T. Seaborg from Berkeley, California, at the Metallurgical Laboratory of the University of Chicago, as part of the Manhattan Project. Although it is the third element in the transuranic series, it was discovered fourth, after the heavier curium. The discovery was kept secret and only released to the public in November 1945. Most americium is produced by uranium or plutonium being bombarded with neutrons in nuclear reactors – one tonne of spent nuclear fuel contains about 100 grams of americium. It is widely used in commercial ionization chamber smoke detectors, as well as in neutron sources and industrial gauges. Several unusual applications, such as nuclear batteries or fuel for space ships with nuclear propulsion, have been proposed for the isotope 242mAm, but they are as yet hindered by the scarcity and high price of this nuclear isomer.
Americium is a relatively soft radioactive metal with silvery appearance. Its most common isotopes are 241Am and 243Am. In chemical compounds, americium usually assumes the oxidation state +3, especially in solutions. Several other oxidation states are known, ranging from +2 to +7, and can be identified by their characteristic optical absorption spectra. The crystal lattice of solid americium and its compounds contain small intrinsic radiogenic defects, due to metamictization induced by self-irradiation with alpha particles, which accumulates with time; this can cause a drift of some material properties over time, more noticeable in older samples.
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Adjoint Matrix | Academic & Science |
Admitance Matrix | Academic & Science |
Anno Mundi (year of the world) | Academic & Science |
Anti Meridian | Academic & Science |
Air Mass | Academic & Science |
attometre | Academic & Science |
Account Monitoring | Accounts and Finance |
Active Minds | Associations & Organizations |
Assistant Manager | Banking |
American Greetings Corporation | Business |
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Automodular Corporation | Business |
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Auto Magic | Business |
Allied Master | Business |
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Americium | Chemistry |
Arctic Monkeys | Community |
Americana Music | Community |
Amor Ministries | Community |
Arnoldo Mondadori | Community |
Anne Murray | Community |
Asdf Movie | Community |
Assumption of Moses | Community |
Animal Mechanicals | Community |
All Music | Community |
Ave Maria | Community |
Attitude Media | Community |
Assignment Message | Computer and Networking |
Automatic Margins | Computing |
Armenia (TLD) | Computing |
Armenia | Country Names |
AlternateMoney | Cryptocurrency |
Aston Martin Cognizant Fan Token | Cryptocurrency |
Artium Magister (master of Arts) | Educational Degree |
Analog Modeling | Electronics |
Ante Meridiem (before Noon) | Electronics |
Antemeridian Meaning | General |
Authn Method | General |
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Absolutely Magnificent | General |
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Alpha Member | General |
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Aspect Modality | General |
Am Monomer | General |
aria Montgomery | General |
Annual Meeting | General |
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Amateur Much | General |
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AM Meaning | General |
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Aeronautica Militare | General |
Asynchronous Mancheste | General |
Advance Manufaturing | General |
Aspiring Manager | General |
Activity Model | General |
Amber | General |
Ante Meridien | General |
About a Million | General |
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AM Amplitude | General |
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Annie's Man | General |
After Mention | General |
Air Market | General |
Awakenings Mission | General |
Addressograph Multigraph | General |
Award of Merit | General |
Armand Marseille | General |
Antony Milton | General |
Amina Mohammed | General |
Assembly Member | Governmental |
Asian Male | Governmental |
Attempted Murder | Governmental |
Allowcation Map | Governmental |
Armorer's Mate | Governmental |
American Machine and Foundry | Governmental |
Access Method | Information Technology |
Active Matrix | Information Technology |
Active Monitor | Information Technology |
Allied Mastercomputer | Information Technology |
Amplitude Modulation | Information Technology |
Asamblea Majorera | International |
Anno Mundi | International |
AMerikanisch | International |
Arheologia Medievală | International |
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Artium Magister | International |
Area Manager | Jobs |
Accounts Manager | Jobs |
Administration Manager | Jobs |
Arithmetic Mean | Maths |
Attometer | Measurement Unit |
In the Morning, before Noon | Medical |
Adult Male | Medical |
Aerospace Medicine | Medical |
Alpha Male | Medical |
Amnesia | Medical |
Before Noon | Medical |
Acral Melanoma | Medical |
Acrosomal Matrix | Medical |
actomycin | Medical |
Acute Mastoiditis | Medical |
Acute Myelofibrosis | Medical |
Adductor Magnus | Medical |
Adhesion Molecule | Medical |
Adolescent Medicine | Medical |
Adrenal Medulla | Medical |
Age-Matched | Medical |
Alveolar Macrophage | Medical |
Ambulatory Monitoring | Medical |
amikacin | Medical |
amlodipine | Medical |
Amniotic Membrane | Medical |
amoxicillin | Medical |
ampicillin | Medical |
amygdala | Medical |
Anovulatory Menstruation | Medical |
anteromedial | Medical |
antimalarial | Medical |
Amiralam | Medical |
Academic Medicine | Medical |
Acid Maltase | Medical |
apomorphine | Medical |
Apparent Movement | Medical |
Aseptic Meningitis | Medical |
Assembly Member (Wales) | Medical |
Atypical Mycobacteria | Medical |
Aviation Medicine | Medical |
Avoidable Mortality | Medical |
Adrenomedullin | Medical |
Alternative Medium | Medical |
Antagonistic Message | Messaging |
Anytime Maybe | Messaging |
Amunition | Military and Defence |
Alert Message | Military and Defence |
Acknowledgment Message | Military and Defence |
Air Mobile | Military and Defence |
Asset Management | Military and Defence |
Antes del Mediodía | News & Entertainment |
American Morning | News & Entertainment |
Australia Marine | Regional |
Arkansas and Missouri Railroad | Regional |
Amharic | Regional |
Arkansas and Missouri Railroad Company | Regional |
Axia Metalliki (value in metal) | Regional |
Agile Modeling | Softwares |
Application Manager | Softwares |
Automated Mathematician | Softwares |
Anti-module | Softwares |
Aroundme | Softwares |
Actuator Mechanism | Space Science |
Administration and Management Operations Directorate | Space Science |
Alpha Meter | Space Science |
Ammeter | Space Science |
Antenna Management | Space Science |
Atletico Madrid | Sports |
Attacking Midfielder | Sports & Games |
Additive Manufacturing | Technology |
Advance Mobile | Telecommunication |
Appliction Manager | Telecommunication |
Ante Meridian | Time |
Ante Meridiem | Time |
Aeroméxico | Transport & Travel |
Posted on 09 Nov 2024, this text provides information on Miscellaneous in Chemistry related to Chemistry. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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