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Hill system

A way of writing chemical formulas such that the number of carbon atoms in the molecule is indicated first, the number of hydrogen atoms next, and then the number of all other elements subsequently, in alphabetical order.

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Thomas a Kempis

... by the "Imitation" is of a selfish monkish type. It was written by a monk and intended for the convent; it lays stress on the passive qualities and does n ...