caption: Atomic Symbols Show the name of the element, a hyphen, and the mass number in hyphen notation. sodium-23.
exif: {"Image DocumentName": "Atomic Symbols Show the name of the element, a hyphen, and the mass number in hyphen notation. sodium-23.", "Image ImageDescription": "Show the mass number and atomic number in nuclear symbol form. mass number. 23 Na. atomic number 11.", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}