Which of the following metals is not placed in eighth group of Mendeleev periodic table? |
|||||||
(a) |
Fe |
(b) |
Na |
(c) |
Pt |
(d) |
Ni |
Which of the following metals is not placed in eighth group of Mendeleev periodic table? |
|||||||
(a) |
Fe |
(b) |
Na |
(c) |
Pt |
(d) |
Ni |