  The mass number (total number of protons and neutrons) of copper is 64 and the atomic number (number of protons) of copper is 29. The number of electrons is the same as â¦ the number of protons. So if the number of protons is 29, then so is the number of electrons. The mass number (total number of protons and neutrons) of copper is 64 and the atomic number (number of protons) of copper is 29. The number of electrons is the same as â¦ the number of protons. So if the number of protons is 29, then so is the number of electrons.
millionaire-a person whose material wealth is valued at more than a million dollars. have, rich person, wealthy person-a person who possesses great material wealth.
Definition of condominium for English Language Learners. : a room or set of rooms that is owned by the people who live there and that is part of a larger building containing other similar sets of rooms.