1.

Match the Column I with Column II.Column IColumn IIA. Isobars(i) Molecular mass/atomic massB. Isotopes(ii) OxygenC. Isotones(iii) different mass numberD. Atomicity(iv) same  number of neutronsE. 2 x 16(v) different atomic number

Answer»

A. (v) 

B. (iii) 

C. (iv) 

D. (i) 

E. (ii)



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