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What is the electron configuration of a sodium atom?
1s¹, 2s², 2p6, 356
1s¹, 2s2, 2p6, 3s¹
2s², 2s², 2p6, 3s¹
1s², 2s², 2p6, 3s¹

Respuesta :

rose5656

Answer:

1s²,2s²,2p6,3s¹.

  • Atomic no. of sodium is 11
  • electronic configuration = 2,8,1.
  • that Is 1s²,2s²,2p6,3s1.
  • for electromic configuration -
  • only 2 electron can be there in a single orbital
  • there are 1 s orbital, 3 p orbital ...and so on.