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What element is 1s^2 2s^2 2p^6 3s2 3p^3
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13 votes
13 votes
What element is 1s^2 2s^2 2p^6 3s2 3p^3

User Monica Granbois
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1 Answer

21 votes
21 votes

Answer:

Phosphorus

Step-by-step explanation:

If you add up all the electrons (the exponents) it equals 15 which is the atomic number of phosphorus. And since stable atoms have the same number of protons and electrons it'll be phosphorus

User Hannes Niederhausen
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