What is true of an atom's nucleus?

What is true of an atom's nucleus? It is positively charged and takes up most of the atom's space. ... It is positively charged and includes most of the atom's mass. It is negatively charged and includes most of the atom's mass. read more

Almost all of the mass in an atom is made up from the protons and neutrons in the nucleus with a very small contribution from the orbiting electrons. Neutrons have no charge and protons are positively charged. read more

Atoms are the basic units of matter and they are composed of a nucleus and one or more electrons bound to the nucleus.The atomic nucleus is the small, dense region at the center of an atom which consists of one or more protons and a similar number of neutrons.The protons are positively electric charged, the electrons have a negative electric charge, and the neutrons have no electric charge. read more