Dr. S. M. Condren Atomic Masses and Isotopic Abundances natural atomic masses = SUM[(atomic mass of isotope) *(fractional isotopic abundance)]
{"Image DocumentName": "Atomic Masses and Isotopic Abundances", "Image ImageDescription": "natural atomic masses = SUM[(atomic mass of isotope)  (fractional isotopic abundance)] Dr. S. M. Condren.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}