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OpenStudy (anonymous):
How does one calculate the mass number given the atomic number and number of neutrons?
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OpenStudy (anonymous):
use this : mass number = protons + neutrons atomic number = protons
OpenStudy (jfraser):
add them
OpenStudy (anonymous):
These are all the calculations: (Mass# and Atomic# is the same) #Protons=Atomic # #Protons=#Electrons Atomic mass= #protons + #Neutrons #Neutrons= Atomic Mass - #Protons
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