Question

is the atomic number just the atomic mass minus the number of neutrons?

Answer 1

hello.... anyone???.... i will give medals....

Answer 2

# of protons

Answer 3

but if you were only given the #of neutrons and the atomic mass, would u subtract??

Answer 4

this should help you out
http://education.jlab.org/qa/pen_number.html

Answer 5

atomic mass(rounded) = #protons + #neutrons

#protons = atomic number

Answer 6

thanks homie @DanJS