3 Potassiums (K3) - yes. Add some cyanide and pass them around, like.
1 Phosphorus (P) - molecule burnt in scriptwriter's head every 20 minutes in order to give 'bright' idea to eat up a few more precious reels.
1 Hydrogen (H) - fill some balloons with a few more of these molecules, tie to reel and release.
Up, up and away! Quicker, relatively painless and who knows, may even be more fun. Before grabbing for those intermediate chemistry texts, let me tell you that Kaise Kahoon Ke Pyaar Hai, or K3PH, as a formula, is as far-fetched on screen as it is in a chemistry tex....