dekho yaar, nitrogen toh chhota hai, uske atoms aasani se triple bond bana lete hain aur N2 ban jaate hain. lekin phosphorus bada hai, triple bond se jyada mushkil mehsoos karta hai, isliye wo chaukone P4 molecule banata hai, jaise char dost milke ghoom rahe hon. mujhe yeh samajh aata hai jab main kisi ghar ki purani wiring dekhta hoon — chhota bulb direct lag jaata hai, lekin bada fan alag tarike se jodna padta hai, apni jagah bana kar.
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