Associations to the word «Chalcogen»
Noun
Adverb
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Wiktionary
CHALCOGEN, noun. (inorganic chemistry) Any element of group 16 of the periodic table - oxygen, sulphur, selenium, tellurium and polonium.
Wise words
Every day we should hear at least one little song, read one
good poem, see one exquisite picture, and, if possible,
speak a few sensible words.