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periodic table #1
1st 20 elements of the periodic table (element name and symbols)
| Term | Definition |
|---|---|
| H | hydrogen |
| He | helium |
| Li | lithium |
| Be | beryllium |
| B | boron |
| C | carbon |
| N | nitrogen |
| O | oxygen |
| F | fluorine |
| Ne | neon |
| Na | sodium |
| Mg | magnesium |
| Al | aluminium |
| Si | silicon |
| P | phosphorus |
| S | sulfur |
| Cl | chlorine |
| Ar | argon |
| K | potassium |
| Ca | calcium |
| hydrogen | H |
| helium | He |
| lithium | Li |
| beryllium | Be |
| boron | B |
| carbon | C |
| nitrogen | N |
| oxygen | O |
| fluorine | F |
| neon | Ne |
| sodium | Na |
| magnesium | Mg |
| aluminium | Al |
| silicon | Si |
| phosphorus | P |
| sulfur | S |
| chlorine | Cl |
| argon | Ar |
| potassium | K |
| calcium | Ca |