🤓 Based on our data, we think this question is relevant for Professor Morgan's class at ASU.
in neutral atom: atomic number = # protons = # electrons
Atomic mass = # protons + # neutrons
One way in which Earths evolution as a planet can be understood is by measuring the amounts of certain isotopes in rocks. One quantity recently measured is the ratio of 129Xe to 130Xe in some minerals.
In what way do these two isotopes differ from one another?
a. number of electrons
b. number of protons
c. number of neutrons
d. mass number
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 professor is this problem relevant for?
Based on our data, we think this problem is relevant for Professor Morgan's class at ASU.