posted by Schooler .
How many neutrons in carbon-12 and how did you get yuor answer
The atomic number is the number of protons. Look for element number 6 on the periodic table and see carbon. For carbon, there are 6 protons.
# protons + # neutrons = mass number
6 + # neutrons = 12
# neutrons = 12 - 6 = 6.
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