Molecule components (5)

I believe the answer is:

atoms

'molecule components' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for atoms that I've seen before include "Tiny particles" , "Small particles" , "Little things" , "Dots" , "Jots" .)

I've seen this clue in the Wall Street Journal, the Universal, the Newsday.com, the New York Times and the USA Today.

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