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science by mardi
periodic table
| Question | Answer |
|---|---|
| HYDROGEN | 1 H |
| HELIUM | 2 HE |
| LITHIUM | 3 LI |
| BERYLIUM | 4 BE |
| BORON | 5 B |
| CARBON | 6 C |
| NITROGEN | 7 N |
| OXYGEN | 8 O |
| FLUORINE | 9 F |
| NEON | 10 NE |
| SODIUM | 11 NA |
| MAGNESIUM | 12 MG |
| ALUMINIUM | 13 AL |
| SILLICON | 14 SI |
| PHOSPHORUS | 15 P |
| SULFUR | 16 S |
| CHLORINE | 17 CL |
| ARGON | 18 AR |
| POTASSIUM | 19 K |
| CALCIUM | 20 CA |