Dylan is a high school graduate. He works as an account manager. He lives in the suburbs. He is a loner and does not have many f
riends. He gets stressed easily. This affects his digestion. He is constantly on medication. seems to be the cause for Dylan’s poor health. He could benefit by .
The sum of the number of protons and neutrons in the nucleus is called the mass number of the isotope. The most common carbon atoms have six protons and six neutrons in their nuclei.