Respuesta :

Answer: Energy levels (also called electron shells) are fixed distances from the nucleus of an atom where electrons may be found. Electrons are tiny, negatively charged particles in an atom that move around the positive nucleus at the center. Energy levels are a little like the steps of a staircase.

Explanation:

google

Answer:

electrons are on the outside of the atom and are the smallest of the protons and neutrons. in something called an electron cloud with three levels in first level 2 electrons in the second 8 and in the third 10

Explanation:

my 8th grade teacher told me

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