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Appendix I Химические формулы

При чтении химических элементов и формул необходимо помнить следующее:

+ - plus, together with, added to, combined with;

= - give, form, are equal to

 - forms, is formed from;

 - give, pass over to, lead to.

Например:

CO2+H2O H2CO3 – c, o, two plus h, two, o give h, two, c, o, three;

C+2H2 CH4 – c plus 2 molecules of h two form c, h, four.