astatine
n. rare radioactive element (Chemistry) | ||||
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Astatine definition was found in categories: Language, Idioms & Slang(3) Science & Technology(2) Entertainment & Music(1) Encyclopedia(1)
Astatine Definition from Language, Idioms & Slang Dictionaries & Glossaries
| WordNet 2.0 |
astatine
Noun
1. a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
(synonym) At, atomic number 85
(hypernym) chemical element, element
Noun
1. a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
(synonym) At, atomic number 85
(hypernym) chemical element, element
| Anagram |
astatine
sanitate
sanitate
| hEnglish - advanced version |
astatine
astatine
see under ametabolic
astatine
see under ametabolic
Astatine Definition from Science & Technology Dictionaries & Glossaries
| Mineralogy Database |
Astatine (At)
Atomic Mass : 210
Atomic Number : 85
Name Origins : Greek, astatos = "unstable."
Year Discovered :
1940
Discovery Credits : Produced by D. R. Corson, K. R. Mackenzie, and E. Segre at the University of California, USA.
More Details
Atomic Mass : 210
Atomic Number : 85
Name Origins : Greek, astatos = "unstable."
Year Discovered :
1940
Discovery Credits : Produced by D. R. Corson, K. R. Mackenzie, and E. Segre at the University of California, USA.
More Details
| Chemistry of the Elements |
Astatine
Name: astatine
Symbol: At
Atomic number: 85
Atomic weight: [ 210 ]
Group in periodic table: 17
Group name: Halogen
Period in periodic table: 6
Block in periodic table: p-block
CAS registry ID: 7440-68-8
The longest-lived isotope, 210At, has a half-life of only 8.3 hours. There are about 20 isotopes known, all of which are radioactive. Astatine is a halogen and possibly accumulates in the thyroid like iodine.
Name: astatine
Symbol: At
Atomic number: 85
Atomic weight: [ 210 ]
Group in periodic table: 17
Group name: Halogen
Period in periodic table: 6
Block in periodic table: p-block
CAS registry ID: 7440-68-8
The longest-lived isotope, 210At, has a half-life of only 8.3 hours. There are about 20 isotopes known, all of which are radioactive. Astatine is a halogen and possibly accumulates in the thyroid like iodine.
Astatine Definition from Entertainment & Music Dictionaries & Glossaries
| English to Federation-Standard Golic Vulcan |
Astatine
dvor-tukh
dvor-tukh
Astatine Definition from Encyclopedia Dictionaries & Glossaries
| Wikipedia English - The Free Encyclopedia |
Astatine
Astatine (IPA: ) is a chemical element in the periodic table that has the symbol At and atomic number 85. This radioactive element occurs naturally from uranium-235 and uranium-238 decay; it is the heaviest of the halogens.
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