Which is more attracted to the nucleus: an electron in the outermost shell of an atom, or an electron in the innermost shell? why

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Electrons that are further away from the nucleus have a greater attraction because the positive and negative charges are stronger than innermost electrons

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.