Simplify the following text for a Grade 10 native English-speaking person.
Original: In the atomic orbital model , the atom consists of a nucleus surrounded by orbiting electrons . These electrons exist in atomic orbitals , which are a set of quantum states of the negatively charged electrons trapped in the electrical field generated by the positively charged nucleus .
Simplified: Atomic orbitals are the places surrounding the nucleus of an atom where the electrons are most likely to be at any given time .