When the last electron of an atom was filled in the 3d subshell, the subshell electron configuration was `3d^8`. Answer the questions related to third atom.
i) Complete subshell electronic configuration
ii) Atomic number
iii) Block
iv)Period number
v) Group number

Explanation

Complete subshell electronic configuration
1s^2 2s^2 3s^2 3p^6 4s^1 3d^6
i) Atomic number - 28
ii) Block - d
iii) Period - 4
iv) Group number - 10