  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.
Related Textbooks: 1  millionaire city. 2  a city with over 1 million inhabitants. eg Budapest, Hungary. 3  megacity. 4  metropolitan area with total population over 10 million. eg Mumbai, India. 5  World city. 6  a city that has great influence on a global scale because of it's financial status and worldwide commercial power.