Related terms:
naturally occurring elements
element's
saint petersburg state
similar properties
mendeleev
synthetic elements
earth metals
chemical symbol
incidentally
deburau
emile zola
francium
atomic weights
allan kardec
pax britannica
frontiersman
metalloid
actinide
radioactive elements
atomic radius
german chemist
trace amounts
art collector
promethium
Wikipedia sources:
Dmitri Mendeleev
Periodic table
Chemical element
19th century
Context for words:
dmitri
mendeleev
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