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Atomic no and atomic mass of elements of modern periodic table from 1 to 30

Answer»

ANSWER:

ATOMIC no. from 1 to 30 are - 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30



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