What is located in the nucleus of an atom?

nucleus definition. The small, dense center of the atom. The nucleus is composed of protons and neutrons and has a positive electrical charge. Note: Nuclear physics deals with the composition and structure of the nucleus. read more

The nucleus is the densest part of an atom. Both neutrons and protons have significant mass, while electrons are virtually massless. This model was discovered as a result of the gold foil experiment in 1911 by Ernest Rutherford. read more

The nucleus, that dense central core of the atom, contains both protons and neutrons. Electrons are outside the nucleus in energy levels. Protons have a positive charge, neutrons have no charge, and electrons have a negative charge. read more

The nucleus of an atom contains neutrons and protons. Almost all of the mass in an atom is made up from the protons and neutrons in the nucleus. read more