Question

When calculating the number of neutrons an element has, you can

A: copy the atomic number from the periodic table
B: atomic mass subtracted from atomic number
C: copy the number of electrons
D: copy the atomic mass from a periodic table

Answer 1

B: atomic mass subtracted from the atomic number.

Step-by-step explanation:

In order to calculate the number of neutrons an element has, one must take the atomic mass for the element and subtract it from the atomic number.