|
Group displacement law was given by |
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|
a) |
Becquerel |
b) |
Rutherford |
c) |
Mendeleef |
d) |
Soddy and Fazan |
|
Group displacement law was given by |
|||||||
|
a) |
Becquerel |
b) |
Rutherford |
c) |
Mendeleef |
d) |
Soddy and Fazan |