https://www.bing.com/videos/search?q=lithium+is+dangerous&qpvt=lithium+is+dangerous&view=detail&mid=821835555896DE1366E8821835555896DE1366E8&&FORM=VRDGAR&ru=%2Fvideos%2Fsearch%3Fq%3Dlithium%2Bis%2Bdangerous%26qpvt%3Dlithium%2Bis%2Bdangerous%26FORM%3DVDRE
Lithium why you can;t put out the fire with water.....
Alkali metals enjoy reacting with water.