FIRST QUIZ
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 |