# Séng

Séng, 30Zn|  |
| Séng seŋ |
| Cingakan | Klau pérak |
| Bobot atom standar *A*r, std(Zn) | 7001653800000000000♠65.38(2) |
| Séng ring tabél périodik |
|

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|  |  |  |
| --- | --- | --- |
| Hidrogén |  | Hélium |
| Litium | Bérilium |  | Boron | Karbon | Nitrogén | Oksigén | Fluorin | Néon |
| Natrium | Magnésium |  | Aluminium | Silikon | Phosfor | Urirang | Klorin | Argon |
| Potasium | Kalsium |  | Skandium | Titanium | Vanadium | Kromium | Mangan (datu) | Wesi | Kobalt | Nikel | Temaga | Séng | Gallium | Gérmanium | Arsenik | Sélénium | Brom | Kripton |
| Rubidium | Strontium |  |  | Ittrium | Zirkonium | Niobium | Molibdénum | Téknésium | Ruthénium | Rhodium | Palladium | Pérak | Kadmium | Indium | Timah | Antimoni | Téllurium | Yodium | Xénon |
| Sésium | Barium | Lanthanum | Sérium | Praséodimium | Néodimium | Prométhium | Samarium | Éuropium | Gadolinium | Terbium | Disprosium | Holmium | Érbium | Thulium | Itterbium | Lutésium | Hafnium | Tantalum | Tungstén | Rhénium | Osmium | Iridium | Platinum | Mas | Rasa (datu) | Thallium | Timbal | Bismuth | Polonium | Astatin | Radon |
| Fransium | Radium | Aktinium | Thorium | Protaktinium | Uranium | Néptunium | Plutonium | Amérisium | Curium | Berkélium | Kalifornium | Éinsteinium | Fermium | Méndelevium | Nobélium | Lawrénsium | Rutherfordium | Dubnium | Seaborgium | Bohrium | Hassium | Meitnérium | Darmstadtium | Roéntgénium | Kopernikium | Nihonium | Flérovium | Moskovium | Livermorium | Ténnessin | Oganésson |

 | – ↑ **Zn** ↓ Cd |
| temaga ← **séng** → gallium |

 |

 |
| Wilangan atom (*Z*) | 30 |
| Watek | golongan 12 |
| Période | période 4 |
| Blok |   blok-d  |
| Konpigurasi éléktron | [Ar] 3d10 4s2 |
| Éléktron per kulit | 2, 8, 18, 2 |
| Cecirén pisik |
| Pase ring STP | padet |
| Titik lebur | 692.68 K ​(419.53 °C, ​787.15 °F)  |
| Titik didih | 1180 K ​(907 °C, ​1665 °F)  |
| Kapadetan (nampek s.r.) | 7.14 g/cm3 |
| ri kala éncéh (ring t.l.) | 6.57 g/cm3  |
| Panes fusi | 7.32 kJ/mol  |
| Panes panguapan | 115 kJ/mol  |
| Kapasitas panes molar | 25.470 J/(mol·K)  |
| Tekanan uap

| P (Pa) | 1 | 10 | 100 | 1 k | 10 k | 100 k |
| --- | --- | --- | --- | --- | --- | --- |
| at T (K) | 610 | 670 | 750 | 852 | 990 | 1179 |

 |
| Cecirén atom |
| Paindikan oksidasi | −2, 0, +1, **+2** (oksida ampotér) |
| Kaéléktronégatipan | skala Pauling: 1.65  |
| Wasa ionisasi | * ka-1: 906.4 kJ/mol
* ka-2: 1733.3 kJ/mol
* ka-3: 3833 kJ/mol
* (malih)
 |
| Jeriji atom | émpiris: 134 pm  |
| Jeriji kovalén | 122±4 pm  |
| Jeriji Van der Waals | 139 pm  |
| **Garis spéktral saking séng** |
| Cecirén liyanan |
| Rupa alami | primordial |
| Struktur kristal |  ​susunan padat héksagon (hcp) |
| Kagelisan swara pales tipis | 3850 m/s (ring r.t.) (kaguling) |
| Ékspansi térmal | 30.2 µm/(m⋅K) (ring 25 °C)  |
| Konduktivitas térmal | 116 W/(m⋅K)  |
| Resistivitas listrik | 59.0 nΩ⋅m (ring 20 °C)  |
| bacakan magnétik | diamagnetic  |
| Karentanan magnétik molar | 3004886000000000000♠−11.4×10−6 cm3/mol (298 K) |
| Modulus Young | 108 GPa  |
| Modulus Shear | 43 GPa  |
| Modulus Bulk | 70 GPa  |
| Rasio Poisson | 0.25  |
| Kakatosan Mohs | 2.5  |
| Kakatosan Brinell | 327–412 MPa  |
| Nomor CAS | 7440-66-6  |
| Lelintihan |
| Panemuan | Ahli métalurgi India (sadurung 1000 SM) |
| Isolasi kapertama | Andreas Sigismund Marggraf (1746) |
| Kaakuin manados logam unik olih | Rasaratna Samuccaya (1300) |
| Isotop utama séng |
|

| Iso­top | Kalimpahan | Paruh-idup (*t*1/2) | Mode paluruhan | Pro­duk |
| --- | --- | --- | --- | --- |
| 64Zn | 49.2% | tegteg |
| 65Zn | syn | 244 d | ε | 65Cu |
| γ | – |
| 66Zn | 27.7% | tegteg |
| 67Zn | 4.0% | tegteg |
| 68Zn | 18.5% | tegteg |
| 69Zn | syn | 56 min | β− | 69Ga |
| 69mZn | syn | 13.8 h | β− | 69Ga |
| 70Zn | 0.6% | tegteg |
| 71Zn | syn | 2.4 min | β− | 71Ga |
| 71mZn | syn | 4 d | β− | 71Ga |
| 72Zn | syn | 46.5 h | β− | 72Ga |

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|

**Séng** silih tunggil datu kimia antuk simbol **Zn** miwah wilangan atom 30. Séng punika logam sané agak latuh ring suhu ruangan miwah medué warna klau masawang pérak ri kala oksidasi kaicalang. Puniki pinaka élemén kapartama ring seka 12 (IIB) saking tabél périodik. Ring makudang indik, séng antuk kimiawi sekadi magnésium: kalih datu punika wantah nyinahang asiki wilangan oksidasi normal (+2), miwah ion Zn2+ taler Mg2+ maukuran pateh.

## Pustaka