Tgoldsmith15 Tgoldsmith15 03-05-2021 Chemistry contestada What are C-12, C-13, and C-14 called?How many protons are in C-12? C-13? C-14?How many electrons are neutral in C-12? C-13? C-14?How many neutrons are in C-12? C-13? C-14?What is atomic mass?