door Kyree Long 6 jaren geleden
368
Meer zoals dit
door Alex Sian
door Shawlbykvee Printed Shawl Murah
door rahaf ar
door Phil Lindley
It is NOT an isotope if the protons, ALONE, are not the same.
Is an isotope if the mass of protons and neutrons are the same. Also is a proton if protons are the same and neutrons are not.