(15pts) Write the nuclear symbol that corresponds to each of the following a. 12 protons, 13 neutrons and 10 electrons b. 15 protons, 16 neutrons and 15 electrons c. 7 protons, 8 neutrons and 7 electrons d. 7 protons, 7 electrons e. 34 protons, 46 neutrons and 36 electrons