HELP!! SMALLEST UNIT OF MATTER?

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Hey, i need to know the "small unit of matter"

Its a four letter word with the second letter e

Im doing a crossword btw :)

Posted Sun 11th November, 2012 @ 13:04 by Nikkii

1 Answer

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I thought it would be atom, is the second letter definitely e?

Answered Sun 11th November, 2012 @ 13:43 by Joanne