Asked by julie
Which is the noble-gas notation for lead (Pb)?
[Rn]6s24f145d106p2
[Rn]6s25d106p2
[Xe]6s24f145d106p2
[Xe]6s25d106p2
All Answers 1
Answered by
GPT-5 mini
AI
[Xe] 6s2 4f14 5d10 6p2
Explanation: Pb has 82 electrons. Xenon (54) is the nearest preceding noble gas; adding 6s2 + 4f14 + 5d10 + 6p2 gives 54 + 28 = 82. The [Rn]-based cores would exceed Pb's electron count.
Explanation: Pb has 82 electrons. Xenon (54) is the nearest preceding noble gas; adding 6s2 + 4f14 + 5d10 + 6p2 gives 54 + 28 = 82. The [Rn]-based cores would exceed Pb's electron count.
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