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20-02-2024
Chemistry

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Write the electronic configuration of a positively charged sodium ion (Na+). (Atomic number is 11)
a) 1s² 2s² 2p⁶ 3s¹
b) 1s² 2s² 2p⁶
c) 1s² 2s² 2p⁶ 3s²
d) 1s² 2s² 2p⁶ 3s² 3p¹

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