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Question | Answer |
---|---|
hydrogen | H |
oxygen | O |
nitrogen | N |
carbon | C |
calcium | Ca |
phosphorus | P |
potassium | K |
sulfer | S |
sodium | Na |
chlorine | Cl |
magnesium | Mg |
selenium | Se |
chromium | Cr |
iron | Fe |
fluorine | F |
zinc | Zn |
iodine | I |