Question

The mass number is used to calculate the number of ______________________in one atom of an element. In order to calculate the number of neutrons you must subtract the ___________________ from the ______________________.

Answer 1

The mass number is used to calculate the number of neutrons in one atom of an element. In order to calculate the number of neutrons you must subtract the atomic number from the mass number.

Answer 2

see full answer in below

Step-by-step explanation:

The mass number is used to calculate the number of neutrons in one atom of an element. In order to calculate the number of neutrons you must subtract the number of protons (atomic number) from the mass number (atomic mass or mass number).