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Perodic Table
25 most common periodic table.
| Question | Answer |
|---|---|
| Mercury | Hg |
| Uranium | U |
| Calcium | Ca |
| Carbon | C |
| Helium | He |
| Oxygen | O |
| Chlorine | Cl |
| Nitrogen | N |
| Magnesium | Mg |
| Silicon | Si |
| Potassium | K |
| Sulfur | S |
| Copper | Cu |
| Tin | Sn |
| Iodine | I |
| Lead | Pb |
| Gold | Au |
| Silver | Ag |
| Zinc | Zn |
| Sodium | Na |
| Iron | Fe |
| Phosphorus | P |
| Hydrogen | H |
| Aluminum | Al |
| Nickel | Ni |