Au
Gold
Chikamu 79 · 196.97 u
Goridhe ndiro simbi inokosha inozivikanwa nehunhu hwayo, kuomarara, uye kuomarara kwemvura.
Maitiro ekushandisa
| Atomic radius: | 196.97 u |
| Kuomarara | 19.282 g/cm³ |
| Kutonhora Point | 1337.33 K |
| Kutonhora Point | 3129.0 K |
| Kuoneka | Metallic yellow |
| State at Room Temp | _Kukanganisa: |
Chemical zvinhu
| Electronegativity | 2.54 (Pauling) |
| 1st Ionization Energy | 890.1 kJ/mol |
| Electronegativity: | 222.8 kJ/mol |
| Oxygen | +1, +2, +3, +5 |
Atomic Properties
| Kuisa Kugadzirisa | [Xe] 4f14 5d10 6s1 |
| Atomic radius: | 144.0 pm |
| Covalent Radius | 136.0 pm |
| Van der Waals radius | 166.0 pm |
Discovery
| Yakawanikwa ne | Known since antiquity |
| _Panzvimbo: | Various (Middle East) |
| Akapihwa zita mushure me | Anglo-Saxon 'geolo' zvinoreva yellow; chiratidzo Au kubva Latin 'aurum' |
Nezve Gold
Gold inoratidza pfuma muhupenyu hwevanhu. Gold inoratidza pfuma muhupenyu hwevanhu. Gold inoratidza pfuma muhupenyu hwevanhu. Gold inoratidza pfuma muhupenyu hwevanhu. Gold inoratidza pfuma muhupenyu hwevanhu. Gold inoratidza pfuma muhupenyu hwevanhu. Gold inoratidza pfuma muhupenyu hwevanhu.
Mashandisiro & Maapplication
Jewelry, mari, electronics, dental basa, aerospace shielding, uye mishonga.
Nhoroondo yemitambo
A ounce chete yegold inogona kuiswa mu 300 square feet sheet kana kuiswa mu 50-mile wire -- iyo yakanyanya kuomarara yese metals.
Isotopes
| Mamwe marudzi ezvinyorwa | Kuwanda | Half-Life | _Kuchengeta |
| 197 | 1.0% | - | _Ndiani |
Kuisa Kugadzirisa
[Xe] 4f14 5d10 6s1