Cuivre (Cu, Z = 29)
Métal de transition Bloc d Groupe 11 Période 4 Solide (CNTP)
Copper is a chemical element with symbol Cu (from Latin:cuprum) and atomic number 29. It is a soft, malleable and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a reddish-orange color.
Découvreur : Middle East
Propriétés physiques
- Masse atomique standard
- 63,55 u
- Densité
- 8,960 g/cm³
- Point de fusion
- 1 357,8 K
- Point d'ébullition
- 2 835,0 K
- Chaleur molaire
- 24,44 J·mol⁻¹·K⁻¹
- Électronégativité (Pauling)
- 1,900
- Affinité électronique
- 119,2 kJ/mol
- Énergies d'ionisation
- 746 ; 1 958 ; 3 555 ; 5 536 kJ/mol
- Configuration électronique
- [Ar] 3d10 4s1
- Électrons par couche
- K : 2 · L : 8 · M : 18 · N : 1
- Aspect
- red-orange metallic luster
Correspondance ANU historique / conjectural
Comptage de la Chimie Occulte (1908) : 1 139 ANU (atomes ultimes), soit N/18 = 63,28 — masse « noologique » à comparer à la masse standard 63,546 u et à l'isotope dominant 63Cu. Coefficient k(Z) = 1,039
Matériel historique et conjectural — voir la page Pont ANU ↔ Nucléides.
Isotopes (33)
| Nucléide | A | N | Masse (u) | Abondance (%) | Demi-vie | Spin | Parité | Magique |
|---|---|---|---|---|---|---|---|---|
| 52Cu | 52 | 23 | 51,997982 | — | stable | 3 | ⁺ | — |
| 53Cu | 53 | 24 | 52,985894 | — | stable | 3/2 | ⁻ | — |
| 54Cu | 54 | 25 | 53,977198 | — | stable | 3 | ⁺ | — |
| 55Cu | 55 | 26 | 54,966038 | — | 55.9 ms | 3/2 | ⁻ | — |
| 56Cu | 56 | 27 | 55,958529 | — | 80.8 ms | 4 | ⁺ | — |
| 57Cu | 57 | 28 | 56,949212 | — | 196.4 ms | 3/2 | ⁻ | N magique |
| 58Cu | 58 | 29 | 57,944532 | — | 3.204 s | 1 | ⁺ | — |
| 59Cu | 59 | 30 | 58,939497 | — | 81.5 s | 3/2 | ⁻ | — |
| 60Cu | 60 | 31 | 59,937364 | — | 23.7 min | 2 | ⁺ | — |
| 61Cu | 61 | 32 | 60,933457 | — | 3.343 h | 3/2 | ⁻ | — |
| 62Cu | 62 | 33 | 61,932595 | — | 9.672 min | 1 | ⁺ | — |
| 63Cu | 63 | 34 | 62,929597 | 69,1500 | stable | 3/2 | ⁻ | — |
| 64Cu | 64 | 35 | 63,929764 | — | 12.7004 h | 1 | ⁺ | — |
| 65Cu | 65 | 36 | 64,927789 | 30,8500 | stable | 3/2 | ⁻ | — |
| 66Cu | 66 | 37 | 65,928869 | — | 5.12 min | 1 | ⁺ | — |
| 67Cu | 67 | 38 | 66,927729 | — | 61.83 h | 3/2 | ⁻ | — |
| 68Cu | 68 | 39 | 67,929611 | — | 30.9 s | 1 | ⁺ | — |
| 69Cu | 69 | 40 | 68,929429 | — | 2.85 min | 3/2 | ⁻ | — |
| 70Cu | 70 | 41 | 69,932392 | — | 44.5 s | 6 | ⁻ | — |
| 71Cu | 71 | 42 | 70,932677 | — | 19.4 s | 3/2 | ⁻ | — |
| 72Cu | 72 | 43 | 71,935820 | — | 6.63 s | 2 | ⁻ | — |
| 73Cu | 73 | 44 | 72,936674 | — | 4.2 s | 3/2 | ⁻ | — |
| 74Cu | 74 | 45 | 73,939875 | — | 1.606 s | 2 | ⁻ | — |
| 75Cu | 75 | 46 | 74,941524 | — | 1.224 s | 5/2 | ⁻ | — |
| 76Cu | 76 | 47 | 75,945269 | — | 637.7 ms | 3 | ⁻ | — |
| 77Cu | 77 | 48 | 76,947544 | — | 470.3 ms | 5/2 | ⁺ | — |
| 78Cu | 78 | 49 | 77,951917 | — | 330.7 ms | 6 | ⁻ | — |
| 79Cu | 79 | 50 | 78,954473 | — | 241.3 ms | 5/2 | ⁻ | N magique |
| 80Cu | 80 | 51 | 79,960623 | — | 113.3 ms | — | — | |
| 81Cu | 81 | 52 | 80,965743 | — | 73.2 ms | 5/2 | ⁻ | — |
| 82Cu | 82 | 53 | 81,972378 | — | 34 ms | — | — | |
| 83Cu | 83 | 54 | 82,978110 | — | — | 5/2 | ⁻ | — |
| 84Cu | 84 | 55 | 83,985271 | — | stable | — | — |
Liseré coloré en première colonne : vert = stable, jaune = demi-vie > 1 an, orange > 1 jour, rouge < 1 jour.