Am
Americium
Chikamu 95 · 243.06138 u
Americium inowanikwa muzvicherwa zvemagetsi zvemagetsi zvemagetsi.
Maitiro ekushandisa
| Atomic radius: | 243.06138 u |
| Kuomarara | 13.69 g/cm³ |
| Kutonhora Point | 1449.0 K |
| Kutonhora Point | 2880.0 K |
| Kuoneka | Silvery- white metallic |
| State at Room Temp | _Kukanganisa: |
Chemical zvinhu
| Electronegativity | 1.3 (Pauling) |
| 1st Ionization Energy | 578.0 kJ/mol |
| Electronegativity: | 9.93 kJ/mol |
| Oxygen | +2, +3, +4, +5, +6, +7 |
Atomic Properties
| Kuisa Kugadzirisa | [Rn] 5f7 7s2 |
| Atomic radius: | 173.0 pm |
| Van der Waals radius | 244.0 pm |
Discovery
| Yakawanikwa ne | Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso |
| Kuonekwa kwegore | 1944 |
| _Panzvimbo: | Chicago, Illinois, USA |
| Akapihwa zita mushure me | America |
Nezve Americium
Americium icho chinowanzoitika chigadzirwa chezvigadzirwa zvevanhu, chinoonekwa muzviratidzo zvemhirizhonga. Seaborg akazivisa kuwanikwa kwake pamitambo yevana yeradio.
Mashandisiro & Maapplication
Zvicherwa zvemagetsi zvemagetsi (Am-241), zvinokonzerwa neneutroni, uye zvinokonzerwa nesimba repasi.
Nhoroondo yemitambo
Americium iri munguva pfupi yapfuura muzviratidzo zvemhirizhonga. Seaborg akazivisa discovery yake pa children's radio quiz show.
Isotopes
| Mamwe marudzi ezvinyorwa | Kuwanda | Half-Life | _Kuchengeta |
| 241 | - | 432.2 years | Hapana |
| 243 | - | 7,370 years | Hapana |
Kuisa Kugadzirisa
[Rn] 5f7 7s2