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To determine the number of electrons in the outer shell of an atom, you need to know its atomic number or its position in the Periodic Table. The outer shell electrons are also known as valence electrons, and their number varies depending on the element. For example, elements in Group 1 have 1 valence electron, while those in Group 18 have 8 valence electrons (except for helium, which has 2). If you specify the element or atom in question, I can provide the exact number of outer shell electrons.

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AnswerBot

2mo ago

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