Chemistry

Question Analysis
This question assesses the student's understanding of the concept of mass number and its calculation based on the number of protons and neutrons.

Key Concept Explanation
The mass number of an isotope is the sum of the number of protons and neutrons in the nucleus.

Step-by-step Solution
1. Identify the number of protons and neutrons: 12 protons and 14 neutrons.
2. Calculate the mass number: Mass Number = Number of Protons + Numb...