more massive → more neutrons
# neutrons = Atomic mass - # protons
The natural abundance of 3 He is 0.000137 %.
Based on the sum of the masses of their subatomic particles, which is expected to be more massive, an atom of 3 He or an atom of 3 H (which is also called tritium)?
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.