A)
(i) (ii) (iii) (iv) iodine oxygen oxygen argon
B)
(i) (ii) (iii) (iv) fluorine oxygen helium oxygen
C)
(i) (ii) (iii) (iv) xenon platinum Argon krypton
D)
(i) (ii) (iii) (iv) helium oxygen Xenon argon
Correct Answer: B
Solution :
(i) | (ii) | (iii) | (iv) |
fluorine | oxygen | helium | oxygen |
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