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What is Thulium mean?
Thulium is a chemical element with the symbol Tm and atomic number 69. It is the thirteenth and third-last element in the lanthanide series. Like the other lanthanides, the most common oxidation state is +3, seen in its oxide, halides and other compounds; because it occurs so late in the series, however, the +2 oxidation state is also stabilized by the nearly full 4f shell that results. In aqueous solution, like compounds of other late lanthanides, soluble thulium compounds form coordination complexes with nine water molecules.
In 1879, the Swedish chemist Per Teodor Cleve separated from the rare earth oxide erbia another two previously unknown components, which he called holmia and thulia; these were the oxides of holmium and thulium, respectively. A relatively pure sample of thulium metal was first obtained in 1911.
Thulium is the second-least abundant of the lanthanides, after radioactively unstable promethium which is only found in trace quantities on Earth. It is an easily workable metal with a bright silvery-gray luster. It is fairly soft and slowly tarnishes in air. Despite its high price and rarity, thulium is used as the radiation source in portable X-ray devices, and in some solid-state lasers. It has no significant biological role and is not particularly toxic.
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Theorem of Maxwell | Academic & Science |
Thematic Mapper | Academic & Science |
Technology Migration | Business |
Telekom Malaysia | Business |
Technical Memo | Business |
Takanori Makes | Business |
Treasured Memories | Business |
TeleMarketing | Business |
Trade Mark | Business |
Traffic Manager | Business |
Trade Mission | Business |
Toyota Motor Corporation | Business |
Technology Management | Business |
Thread Mount | Business |
Transition Metal | Chemistry |
Titanium Metallic | Chemistry |
Thulium | Chemistry |
Tall Mike | Community |
Try Me | Community |
Temporal Morphologies | Community |
Tom Morello | Community |
Thomas Merton | Community |
Tour Mountain | Community |
Teylers Museum | Community |
Tequila Mockingbird | Community |
Tin Man | Community |
Tom McComas, author | Community |
Ted Mcrae | Community |
Tenchi Muyo | Community |
Troy Montero | Community |
Teaching Machine | Community |
Transmission and Multiplexing (ETSI TC) | Computer and Networking |
Turing Machine | Computer Hardware |
Translation Memory | Computer Hardware |
Text Memory | Computer Hardware |
Template Manager | Computing |
Turkmenistan | Country Names |
Ttl (transistor-transistor Logic) Master | Electronics |
Transport Module | Electronics |
Tri Mode | Electronics |
Eosat Landsat Thematic Mapper Data File | File Type |
Thin Model | General |
Trouble Maker | General |
Temporary Memory | General |
Toastmaster | General |
The Movie | General |
Transfer Molded | General |
Tools Methods | General |
Text Messaging | General |
Toast Masters | General |
Tell me | General |
Text Message | General |
Trombone | General |
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Tal Microsomes | General |
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Troll Mark | General |
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Tour Mel | General |
Tools and Methods | General |
Thermatic Mapper | General |
Time Machine | General |
Transportation Management | Governmental |
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To The MaxiMUM | Governmental |
Total Mies | International |
Turk Mali | International |
Tomlinson Music | Internet |
Task Master | Jobs |
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Typing Moms | Jobs |
Technical Manager | Jobs |
Time Missed | Jobs |
Threshold Method | Maths |
Ten Minute | Measurement Unit |
Terameter | Measurement Unit |
Terametre | Measurement Unit |
Transcendental Medication | Medical |
Trabecular Meshwork | Medical |
Temperature by mouth | Medical |
Tympanic Membrane | Medical |
Transendental Meditation | Medical |
Turd Monster | Messaging |
Too Much | Messaging |
Thanks Much | Messaging |
Thoroughly Mesmerizing | Messaging |
To Me | Messaging |
Trust Me | Messaging |
Team | Military and Defence |
Theater Missile | Military and Defence |
Technical Memos | Military and Defence |
Task Message | Military and Defence |
Tactical Missile | Military and Defence |
Target Materials | Military and Defence |
Team Member | Military and Defence |
Tropo Modem | Military and Defence |
Technical Manual | Military and Defence |
Translation Modified | Physics Related |
Transverse Magnetic | Physics Related |
Texas Mexican Railway Company | Regional |
Texas Mexican Railway (Kansas City Southern Railway) | Regional |
Tools for Mime | Softwares |
Test Mobile | Space Science |
Member Traceability | Space Science |
Table Maintenance | Space Science |
Technical Management | Space Science |
Telemetry | Space Science |
Time Management | Space Science |
Traffic Model | Space Science |
Transcendental Meditation | Sports |
Tournament Mission | Sports |
Trading Member | Stock Exchange |
Time | Time |
Posted on 22 Dec 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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