Question

11 how many neutrons are in this isotope of carbon? * (0.5 points) enter your answer

Explanation:

Step1: Identify mass and atomic numbers

The mass number (top number) is 13 and atomic number (bottom number) is 6 for this carbon - 13 isotope.

Step2: Use neutron - calculation formula

Number of neutrons = Mass number - Atomic number. So, $n=13 - 6$.

Answer:

7