Hey you got this don’t give up and do your own work
Answer:
the fixed amount of energy that a system described by quantum mechanics, such as a molecule, atom, electron, or nucleus, can have.
Explanation:
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.
Your answer will be B I am sure of it
Answer:
Explanation:
they are subjects pronouns
Answer:
i belive it would be the 2/B the 2nd one down
Explanation:
