caption: So how do I know what the Mass Number is
exif: {"Image DocumentName": "So how do I know what the Mass Number is", "Image ImageDescription": "I will tell you. One of two ways: 1) Give you the mass number or the neutrons in a table. If I don\u2019t give it to you, get the rounded # off the Periodic Table. 2) Tell you in the symbol. Isotope Notation: Isotope Name: Sodium-23.", "Image XResolution": "200", "Image YResolution": "200", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}