Definition: In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
Input: Question: Adding the number of protons plus the number of neutrons in an atom, decides it's approximate mass, what is another word for this value? Answer: atomic number
Output:
Adding the number of protons plus the number of neutrons in an atom decides its approximate mass; atomic number is another word for this value.