First 20 Elements
FIRST QUIZ
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| 199323450 | H | Hydrogen | |
| 199323451 | He | Helium | |
| 199323452 | Li | Lithium | |
| 199323453 | Be | Beryllium | |
| 199323454 | B | Boron | |
| 199323455 | C | Carbon | |
| 199323456 | N | Nitrogen | |
| 199323457 | O | Oxygen | |
| 199323458 | F | Flourine | |
| 199323459 | Ne | Neon | |
| 199323460 | Na | Sodium | |
| 199323461 | Mg | Magnesium | |
| 199323462 | Al | Aluminum | |
| 199323463 | Si | Silicon | |
| 199323464 | P | Phosphorus | |
| 199323465 | S | Sulphur | |
| 199323466 | Cl | Chlorine | |
| 199323467 | Ar | Argon | |
| 199323468 | K | Potassium | |
| 199323469 | Ca | Calcium |