To indicate: The maximum number of electrons occupied in each of the first three energy levels of an atom. Introduction: Electrons are positively charged sub-atomic particles that are present outside the nucleus. They have an electrical negative charge. They can be either bound to the nucleus of the atom or free.

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Chapter 2.1, Problem 6R

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To indicate: The maximum number of electrons occupied in each of the first three energy levels of an atom.

Introduction: Electrons are positively charged sub-atomic particles that are present outside the nucleus. They have an electrical negative charge. They can be either bound to the nucleus of the atom or free.

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