|
An isotope of --------------- is used in the treatment of cancer. |
|||
|
(a) |
cobalt |
(b) |
iodine |
|
(c) |
uranium |
(d) |
chlorine |
|
An isotope of --------------- is used in the treatment of cancer. |
|||
|
(a) |
cobalt |
(b) |
iodine |
|
(c) |
uranium |
(d) |
chlorine |