Which of the following statements about subatomic particles best characterizes protons?
positive charge, heavy, found in the nucleus of an atom
no charge, heavy, found in the nucleus of an atom
negative charge, light, circling the nucleus of an atom
no charge, light, circling the nucleus of an atom
positive charge, heavy, found in the nucleus of an atom
no charge, heavy, found in the nucleus of an atom
negative charge, light, circling the nucleus of an atom
no charge, light, circling the nucleus of an atom