Lons can be formed from atoms by losing or gaining electrons. Select the alternative that states the correct number of protons, neutrons, and electrons in ⁶³Cu²⁺
a) 29 protons, 34 neutrons, 31 electrons
b) 29 protons, 34 neutrons, 27 electrons
c) 27 protons, 29 neutrons, 29 electrons
d) 29 protons, 63 neutrons, 29 electrons