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What is the electron configuration for helium (He)? O 1s¹ O 1s² O 1s²2s¹ O 1s²2s²
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What is the electron configuration for helium (He)?

O 1s¹
O 1s²
O 1s²2s¹
O 1s²2s²

User Abdi
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1 Answer

9 votes
It should be the second one
User Vinay Sahni
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