Guruubka 8
Appearance
G 7aad < Guruubka 8aad > G 9aad
![](https://upload.wikimedia.org/wikipedia/commons/thumb/a/ad/Iron_electrolytic_and_1cm3_cube.jpg/220px-Iron_electrolytic_and_1cm3_cube.jpg)
![](https://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Ruthenium_a_half_bar.jpg/220px-Ruthenium_a_half_bar.jpg)
![](https://upload.wikimedia.org/wikipedia/commons/thumb/9/9e/Osmium-crystals_2.jpg/220px-Osmium-crystals_2.jpg)
Guruubka 8aad waa qeybta 8aad ee safafka Diwaanka Curiye. Si la mid ah qeybaha kale ee d-block, guruubkan wuxuu ka kooban yahay 4 curiye kuwaas oo kala ah: Aayron (Fe), Rutheniyaam (Ru), Osmiyaam (Os) iyo Hasiyaam (Hs). Dhamaantood waxay ka tirsan yihiin Transitional Metals. Curiyayaashan oo mararka qaar ah dareere, ayaa markey adkeha yihiin leh midab madoow ah.