(III B, actinide series) emits one particle. New element will be a/an |
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a) |
Alkali metal |
b) |
Alkaline earth metal |
c) |
Actinide |
d) |
Chalcogen |
(III B, actinide series) emits one particle. New element will be a/an |
|||||||
a) |
Alkali metal |
b) |
Alkaline earth metal |
c) |
Actinide |
d) |
Chalcogen |
(c) particle Elements with atomic number 90 to 103 form series and are called actinides. They are placed in group IIIB |