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first 30 elements
| Question | Answer |
|---|---|
| hydrogen | h |
| oxygen | o |
| helium | he |
| lithium | li |
| iron | fe |
| carbon | c |
| silicone | si |
| beryllium | be |
| boron | b |
| nitrogen | n |
| Florine | f |
| neon | ne |
| sodium | na |
| magnesium | mg |
| aluminum | al |
| phosphorus | p |
| sulfer | s |
| chlorine | cl |
| argon | ar |
| potassium | k |
| calcium | ca |
| scandium | sc |
| titanium | ti |
| vanadium | v |
| chromium | cr |
| manganese | mn |
| cobalt | co |
| nickel | ni |
| copper | cu |
| zinc | zn |