The four atomic species can be represented as follows. Out of these, the two species which can be termed isobars are :
(i) 20160X (ii) 20061X
(iii) 20058 (iv) 20360X
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (i) and (iii)
(d) (i) and (iv)
(a) X60 201
(b) X61 200
(c) X58 200
(d) X60 203
In a parallel universe, if duplet & heptet rule is followed by elements, which of the following will be noble elements? (i) F (ii) O (iii) S (iv) Ne