Question

Write the electronic configurations of the elements Na, Al, Ca, O and Si
and justify their positions in the periodic table.​

Answer 1

Na- 2,8,1

Al- 2,8,3

Ca- 2,8,8,2

Si- 2,8,4

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Answer 2

Answer:

Ne3s¹,Ne3s²3p¹,Ar4s²,He2s²2p⁴,Ne3s²3p²

Explanation:

sodium-5th position,aluminium-13th position,Calacium-20th position,Oxygen-8th position and Siicon-14th position.