Fulltext results:
- attomic_structure
- ====== Structure of the Atom ====== The atom is the basic unit of matter and is composed of three types of subatomic particles: protons, neutrons, an... rgy levels. The number of protons in the nucleus is known as the atomic number, which determines the ... ber of neutrons in the nucleus can vary, creating isotopes of the same element. The electrons are arr