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Table of Contents
1. actinium
Table of Contents
1. actinium
Synonyms
Antonyms
Etymology
1. actinium
noun.
a
radioactive
element
of
the
actinide
series;
found
in
uranium
ores.
Synonyms
Ac
uranium ore
chemical element
atomic number 89
Antonyms
curve
Etymology
-ium (English)
-um (Latin)
actin- (English)
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