7. Identify which element is more reactive: lithium, Li, or barium, Ba.
{"Image DocumentName": "7. Identify which element is more reactive: lithium, Li, or barium, Ba.", "Image ImageDescription": "Lithium is an alkali metal and is more reactive than an alkaline-earth metal such as barium.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}