14 how many neutrons are in this magnesium ion? * (0.5 points) enter your answer
14 how many neutrons are in this magnesium ion? * (0.5 points) enter your answer
Answer
Explanation:
Step1: Identify mass number and atomic number
The mass number (top - left) is 22 and the atomic number (bottom - left) is 12.
Step2: Use neutron number formula
The number of neutrons $n$ is given by $n = A - Z$, where $A$ is the mass number and $Z$ is the atomic number. So $n=22 - 12$.
Answer:
10