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elements 51–60(atomic mass ,atomic no,)table image



Atomic
No.
Elements SymbolesAtomic
 Mass
51 AntimonySb121.8
52 Tellurium Te127.6
53
IodineI126.9
54 Xenon Xe131.3
55 Caesium Cs132.9
56 Barium Ba137.3
57 Lanthanum La138.9
58 Cerium Ce140.1
59 Praseodymium Pr140.9
60 Neodymium Nd144.2

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elements 51–60(atomic mass, atomic number)