Our website is made possible by displaying online advertisements to our visitors.
Please consider supporting us by disabling your ad blocker.

Responsive image


Dubnium

105 rutherfordiumdubniumseaborgium
Ta

Db

(Upp)
Katrangan Umum Unsur
Jeneng, Lambang, Nomer atom dubnium, Db, 105
Dhèrèt kimia transition metals
Golongan, Période, Blok 5, 7, d
Rupa unknown, probably silvery
white or metallic gray
Massa atom [268] g/mol
Konfigurasi elektron [Rn] 5f14 6d3 7s2
Cacahing èlèktron saben kulit 2, 8, 18, 32, 32, 11, 2
Ciri-ciri fisik
Fase presumably a solid
Massa jenis (watara suhu kamar) unknown g/cm³
Ciri-ciri atom
Struktur kristal unknown
Bilangan oksidasi 5
Jari-jari atom (terhitung) unknown pm
Jari-jari kovalen unknown pm
Lain-lain
Nomor CAS 53850-35-4
Isotop
iso NA waktu paruh DM DE (MeV) DP
268Db syn 29 h[butuh sitiran] SF
ε ? 268Rf
267Db syn 1.2 h SF
266Db syn 22 m ε 266Rf
263Db syn 27 s 56% SF
41% α 8.36 259Lr
3% ε 263mRf
262Db syn 34 s 67% α 8.66,8.45 258Lr
33% SF
261Db syn 1.8 s α 8.93 257Lr
260Db syn 1.5 s α 9.13,9.08,9.05 256Lr
259Db syn 0.5 s α 9.47 255Lr
258Db syn 4.4 s 67% α 9.17,9.08,9.01 254Lr
33% ε 258Rf
257mDb syn 0.76 s α 9.16 253Lr
257gDb syn 1.50 s α 9.07,8.97 253Lr
256Db syn 1.6 s 70% α 9.12,9.08,9.01,8.89 253Lr
30% ε 256Rf
Referensi

Dubnium (uniné /ˈduːbniəm/) iku unsur kimia sajeroning tabel périodik kanthi simbul Db lan nomer atom 105.



Previous Page Next Page






Dubnium AF ዱብኒየም AM Dubnio AN डब्नियम ANP دوبنيوم Arabic دابنيوم ARY دوبنيوم ARZ Dubniu AST Dubnium AZ Дубний BA

Responsive image

Responsive image