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Scandium
Chikamu 21 · 44.956 u
Scandium inonziwo rudzi rwemasimbi anokosha anoshandiswa pakuvaka maalloys ealuminium.
Maitiro ekushandisa
| Atomic radius: | 44.956 u |
| Kuomarara | 2.989 g/cm³ |
| Kutonhora Point | 1814.0 K |
| Kutonhora Point | 3109.0 K |
| Kuoneka | Silvery- white metallic |
| State at Room Temp | _Kukanganisa: |
Chemical zvinhu
| Electronegativity | 1.36 (Pauling) |
| 1st Ionization Energy | 633.1 kJ/mol |
| Electronegativity: | 18.1 kJ/mol |
| Oxygen | +1, +2, +3 |
Atomic Properties
| Kuisa Kugadzirisa | [Ar] 3d1 4s2 |
| Atomic radius: | 162.0 pm |
| Covalent Radius | 170.0 pm |
| Van der Waals radius | 211.0 pm |
Discovery
| Yakawanikwa ne | Lars Fredrik Nilson |
| Kuonekwa kwegore | 1879 |
| _Panzvimbo: | Uppsala, Sweden |
| Akapihwa zita mushure me | Latin 'Scandia' zvinoreva Scandinavia |
Nezve Scandium
Scandium isimbi yakaoma, yakasviba-yakasviba, inoumbwa nesimbi ine chromium, vanadium, uye vanadium. Scandium inowanzoitika muzviedza asi inowanzoitika panyika muzviwanikwa zvakaomarara.
Mashandisiro & Maapplication
Aluminum-scandium alloys yendege, zvemitambo zvekushandisa, uye high-intensity metal halide mabhatiri.
Nhoroondo yemitambo
Scandium iri zvakasiyana-siyana muvhu kuti kukonzerwa zviwanikwa zvinokosha, kuita kuti zvive zvakaoma kupfuura rarity earth zvinhu.
Isotopes
| Mamwe marudzi ezvinyorwa | Kuwanda | Half-Life | _Kuchengeta |
| 45 | 1.0% | - | _Ndiani |
Kuisa Kugadzirisa
[Ar] 3d1 4s2