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bn:00006919n
Noun Concept
SYL
No term available
EN
A radioactive element of the alkali-metal group discovered as a disintegration product of actinium WordNet 3.0
English:
element
Relations
Sources
IS A
EN
metallic element
EN
chemical element
EN
alkali metal
EN
block
PART OF
EN
alkali metal
EN
period 7
HAS KIND
EN
francium-201
EN
francium-202
EN
francium-203
EN
francium-204
EN
francium-205
+29 relations
DESCRIBED BY SOURCE
EN
Armenian Soviet Encyclopedia
DISCOVERER OR INVENTOR
Marguerite Perey
HAS QUALITY
EN
decay
LOCATION OF DISCOVERY
EN
France
NAMED AFTER
EN
France

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