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Elements
25 elements that must be memorized
Term | Definition |
---|---|
hydrogen | H |
helium | He |
lithium | Li |
carbon | C |
nitrogen | N |
oxygen | O |
fluorine | F |
neon | Ne |
sodium | Na |
magnesium | Mg |
aluminum | Al |
phosphorus | P |
sulfur | S |
chlorine | Cl |
potassium | K |
calcium | Ca |
iron | Fe |
nickel | Ni |
copper | Cu |
silver | Ag |
iodine | I |
gold | Au |
mercury | Hg |
lead | Pb |
radon | Rn |