composés chimiques
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Plombocène | Concept | 7 | 0.5 |
| Plume | Substance | 39 | 53.0 |
| Plutonium 238 | Concept | 21 | 16.0 |
| Plutonium 239 | Concept | 25 | 37.2 |
| Plutonium 240 | Concept | 15 | 2.0 |
| Plutonium 241 | Concept | 12 | 1.9 |
| Plutonium 244 | Concept | 12 | 2.4 |
| Plutonocène | Composé Chimique | 5 | 0.0 |
| Plâtre | Substance | 57 | 165.4 |
| Plâtre Chirurgical | Substance | 31 | 22.2 |
| Plécanatide | Concept | 11 | 0.0 |
| Pmc | Substance | 6 | 15.0 |
| Pmdta | Concept | 11 | 0.2 |
| Podophylline | Concept | 16 | 5.5 |
| Podophyllotoxine | Concept | 25 | 5.2 |
| Poea | Concept | 7 | 2.8 |
| Poil À Gratter | Substance | 9 | 60.0 |
| Point Coupé | Substance | 11 | 0.4 |
| Point D'argentan | Substance | 4 | 2.2 |
| Point de Chantilly | Substance | 9 | 9.4 |
| Point de Fumée | Concept | 27 | 66.7 |
| Point de Fusion | Concept | 101 | 159.2 |
| Pointe D'argent | Substance | 17 | 8.0 |
| Poinçon | Substance | 1 | 0.4 |
| Poison | Concept | 130 | 139.3 |
| Poison | Concept | 4 | 13.5 |
| Poix | Composé Chimique | 44 | 107.6 |
| Poix D'écorce de Bouleau | Composé Chimique | 20 | 4.2 |
| Polaire | Substance | 28 | 30.5 |
| Polluants Organiques Persistants | Composé Chimique | 37 | 29.1 |
| Polo | Concept | 1 | 2.0 |
| Polo Crest | Concept | 1 | 1.0 |
| Polonium 210 | Concept | 18 | 49.3 |
| Poly(3,4-éthylènedioxythiophène) | Substance | 5 | 2.2 |
| Poly(alkylène Xylosediglyoxylate) | Substance | 1 | 0.0 |
| Poly(butylène Succinate) | Concept | 8 | 1.0 |
| Poly(dichlorophosphazène) | Substance | 2 | 0.0 |
| Poly(hydrochlorure D'allylamine) | Concept | 2 | 1.0 |
| Poly(méthacrylate D'éthyle) | Substance | 4 | 0.4 |
| Poly(n-isopropylacrylamide) | Substance | 8 | 4.8 |
| Poly(oxyde de Phénylène) | Substance | 11 | 0.5 |
| Poly-4-vinylphénol | Substance | 3 | 0.2 |
| Poly-β-hydroxybutyrate | Substance | 16 | 6.2 |
| Polyacide | Composé Chimique | 2 | 12.4 |
| Polyacrylamide | Concept | 22 | 16.8 |
| Polyacrylate de Sodium | Concept | 19 | 26.6 |
| Polyacétate de Vinyle | Composé Chimique | 36 | 29.4 |
| Polyacétylène | Substance | 20 | 3.0 |
| Polyamide | Substance | 40 | 136.4 |
| Polyamide 11 | Concept | 6 | 24.7 |