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| 1. |
{:("i. Monoatomic molecule","(a) Ozone"),("ii. Diatomic molecule","(b) Phosphorous"),("iii. Triatomic molecule","(c) Helium"),("iv. Polyatomic molecule","(d) Oxygen"):} |
| Answer» SOLUTION :`i-c,ii-d,iii-a,iv-b` | |