Question

(1) Find out the valency and valence electron of the
atoms represented by the given figure:-
(a)
(b)
(ii) On the basis of the number of proto, neutron and
electron in the samples given below. Identify
(a) cations (b) the pairs of isobars
(c) the pairs of isotopes. SAMPLE Proton Neutron electron
A 17. 18. 16
B 18. 19. 18
C 17. 20. 17
D 17. 17. 17 ​

Answer 1

Answer:

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