CHEMISTRY

Science Bowl Question

📅 NSB 2011 Set 4🎓 HS🔄 Round 14#️⃣ Question 7🌟 Bonus📝 Multiple Choice

Which choice represents the electron configuration for the magnesium 2+ ion?

W) 1s^2 2s^2 2p^6 3s^2

X) 1s^2 2s^2 2p^6 3s^2 3p^2

Y) 1s^2 2s^2 2p^6 3s^1

Z) 1s^2 2s^2 2p^6

✔️Answer:Z) 1s^2 2s^2 2p^6

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