Atomic number = # of protons
Atomic mass = # of neutrons + # of protons
Write the correct symbol, with both superscript and subscript, for each of the following. Use the list of elements inside the front cover as needed:
the isotope of arsenic with mass number 75
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.