Does a Shell Have to Contain Electrons in Order to Exist

question 66

Multiple Choice

Does a shell have to contain electrons in order to exist?

• A)A shell is a form of energy that requires electrons in order to exist.
• B)A shell is just a region of space which may or may not contain electrons.
• C)A shell is just a conceptual model,hence,it doesn't really exist with or without the electron.
• D)Two of the above are reasonable answers.

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