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Elements #1
first 20 elements
Question | Answer |
---|---|
Carbon | C |
Hydrogen | H |
Oxygen | O |
Nitrogen | N |
Sulfur | S |
Iodine | I |
Phosphorus | P |
Fluorine | F |
Helium | He |
Neon | Ne |
Aluminum | Al |
Nickel | Ni |
Calcium | Ca |
Barium | Ba |
Cobalt | Co |
Lithium | Li |
Boron | B |
Uranium | U |
Radium | Ra |