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| 1. |
{:("i. "F_(2),"(a) Polyatomic molecule"),("ii. "O_(3),"(b) Monoatomic molecule"),("iii. "P_(4),"(c) Diatomic molecule"),("iv. He","(d) Triatomic molecule"):} |
| Answer» SOLUTION :`i-c,ii-d,iii-a,iv-b` | |