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What is the name of the element with a valence electron configuration of 2s^22p^4
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What is the name of the element with a valence electron configuration of 2s^22p^4

User Nikita Patil
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Since the configuration contains the number 2s and 2p, you can assume that it is in period 2 of the periodic table. By noble gas shorthand, you start with helium, which is atomic number 2. 2s²2p^4 has 2+4 = 6 valence

Add 2+6 = 8, which is Oxygen.
User Eric Lubow
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