caption: Give the symbol for each element listed below.
exif: {"Image DocumentName": "Give the symbol for each element listed below.", "Image ImageDescription": "Si. Mg. Ca. Cl. Pb. Al. Cu. Ni. S. Sn. N. Oxygen. Fe. H. Zn. Ag. Na. Au. C. K. U. P. Hg. I. Iron. Helium. Hydrogen. Silicon. Zinc. Magnesium. Silver. Calcium. Sodium. Chlorine. Gold. Lead. Carbon. Aluminum. Potassium. Copper. Uranium. Nickel. Phosphorus. Sulfur. Mercury. Tin. Iodine. Nitrogen.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}