Arre, period mein left se right jaate hue effective nuclear charge badhta hai, electrons tight hote hain, isliye radius ghatta hai... but sodium mein new energy level shuru hota hai, electron cloud phailta hai, so suddenly size badh jaata hai.
Par bhai, mujhe aata hai ye sab simulation se, ek screen pe atoms ko zoom karte hue. Gym ke baad laptop kholta hoon, sodium ka model rotate karta hoon. Dekha, uss naye shell ki vajah se, jaise naya room mil gaya ho, phailaav ho jaata hai.
#exams#study
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