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The noble gases, which are helium, neon, argon, krypton, xenon, and radon, have their outermost electron shells full.

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What element has 3 full shells?

This question is unclear. If you mean 3 full electron shells and nothing else, then it would be argon. But every element after argon has 3 full electron shells also, but they also have other shells with electrons. If you mean a full 3rd energy shell such as in having 3d10 electrons, then it would be Zn but Zn also has 4s2 electrons. So, the question is a vague one.


What element has 4 shells?

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What is the correct number of shells neptunium the element has?

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Is it true Iodine has four electron shells?

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How many electron shells does polonuim have?

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What is the characteristics about the outer electron shells of halogens?

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What can the period of a element be determined by?

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