Bk
Beryllium
Chikamu 97 · 247.07031 u
Berkelium inogadzirwa muzvidiki zvishoma kuti iite sechinangwa chekugadzira zvinhu zvakaoma.
Maitiro ekushandisa
| Atomic radius: | 247.07031 u |
| Kuomarara | 14.79 g/cm³ |
| Kutonhora Point | 1259.0 K |
| Kutonhora Point | 2900.0 K |
| Kuoneka | Silvery metallic |
| State at Room Temp | _Kukanganisa: |
Chemical zvinhu
| Electronegativity | 1.3 (Pauling) |
| 1st Ionization Energy | 601.0 kJ/mol |
| Electronegativity: | -165.24 kJ/mol |
| Oxygen | +3, +4 |
Atomic Properties
| Kuisa Kugadzirisa | [Rn] 5f9 7s2 |
| Atomic radius: | 170.0 pm |
| Van der Waals radius | 244.0 pm |
Discovery
| Yakawanikwa ne | Stanley G. Thompson, Albert Ghiorso, Glenn T. Seaborg |
| Kuonekwa kwegore | 1949 |
| _Panzvimbo: | Berkeley, California, USA |
| Akapihwa zita mushure me | Berkeley, California |
Nezve Beryllium
Berkelium inonziwo "tennessine" nekuti yakatanga kushandiswa sechigadzirwa chekugadzira chinhu 117 (tennessine) mumakore ekuma1930.
Mashandisiro & Maapplication
Target zvinhu zvekugadzira zvakaoma zvinhu uye scientific research.
Nhoroondo yemitambo
In 2009, vatsvakurudzi vakagadzira 22 milligrams yeBerkelium-249 kupfuura 250 mazuva kuti vaite chinhu 117.
Isotopes
| Mamwe marudzi ezvinyorwa | Kuwanda | Half-Life | _Kuchengeta |
| 247 | - | 1,380 years | Hapana |
| 249 | - | 330 days | Hapana |
Kuisa Kugadzirisa
[Rn] 5f9 7s2