1.

Column (a)(1) Atomic mass of OxygenAtomic mass of nitrogen(i) Positive charged radiation(iv) J.Chadwick(V) E Goldstein1*5=5Column (b)(1) 14(11) 17(iii) 16(lv) canal rays(v) Neutrons(vi) Proton​

Answer»

Answer:

16

(IDK)

CANAL ray

nuetron

proton



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