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bn:00006580n
Noun Concept
SYL
No term available
EN
A highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium WordNet 3.0
English:
element
Relations
Sources
IS A
EN
chemical element
EN
halogen
EN
synthetic element
EN
metalloid
PART OF
EN
halogen
EN
period 6
EN
hydrogen astatide
EN
Astatine iodide
EN
Astatine bromide
+1 relations
HAS KIND
EN
astatine-191
EN
astatine-193
EN
astatine-194
EN
astatine-195
EN
astatine-196
+27 relations
DESCRIBED BY SOURCE
EN
Armenian Soviet Encyclopedia
DISCOVERER OR INVENTOR
EN
Emilio Segrè
LOCATION OF DISCOVERY
ꠀꠝꠦꠞꠤꠇꠣ
NAMED AFTER
EN
imbalance

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