1s² , 2s² 2P⁶ किसका इलेक्ट्रॉनिक विन्यास है ? - The electronic configuration of 1s², 2s² 2P⁶ is - 1s² , 2s² 2P⁶ Kiska Electronic Vinyas Hai ? General Science in hindi, Physics Ne Aur Na⁺ question answers in hindi pdf Ne Aur F questions in hindi, Know About Na Aur Ne General Science online test General Science notes in hindi quiz book Na Aur F