The mass number of an isotope is
A. The number of protons in the nucleus
B. The number of neutrons in the nucleus
C. The number of electrons in the nucleus
D. The sum of the number of protons and neutrons in the nucleus
E. The sum of the number of protons and electrons in the nucleus
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Isotopes concept. You can view video lessons to learn Isotopes. Or if you need more Isotopes practice, you can also practice Isotopes practice problems.
What is the difficulty of this problem?
Our tutors rated the difficulty ofThe mass number of an isotope is A. The number of protons i...as low difficulty.
How long does this problem take to solve?
Our expert Chemistry tutor, Sabrina took 1 minute and 10 seconds to solve this problem. You can follow their steps in the video explanation above.