For anyone who insists it is fake,
www.youtube.com/watch?v=5aD6HwUE2c0 and stop giving me a headache.
Watch to the end for the best (Cesium!)! A wonderful representation of the alkali metals and their accurate reactivity with water. unlike brainiac, who did infact use explosives in their episode for rubidium and cesium. Very worth a watch.
All credit for this video goes to the makers of physical science, and openlearn.open.ac.uk. Link here:
http://openlearn.open.ac.uk/mod/resource/view.php?id=294420
Made available by Creative commons attribution.
Footage from:
"Physical Science: The Living Textbook" (Cosmic Chemistry chapters 1-6), copyright 1991 by Optical Data Corp., 30 Technology Drive, Warren, New Jersey
Thank you for this video.
Ps. You will not get to see Francium in water!
