4. An ion of iron has an 26 protons, 30 neutrons, and 23 electrons. What are its atomic number atomic mass, and net charge? O A atomic number = 26, atomic mass = 56, net charge = 3+
B. atomic number = 26, atomic mass = 56, net charge = 3-
C. atomic number = 30, atomic mass = 56, net charge = 3+
O D. atomic number = 56, atomic mass = 26, net charge = 3-