Chemical Mystery #11: Too hot to boil?!

glowing metal sphere

In this Chemical Mystery, a metal sphere is heated until it glows orange-hot, and then it is placed in some water. Watch what happens next:

Can you explain these results? If you have any ideas about what is going on, share them in the comments. 

*The solution is now posted.



General Safety

For Laboratory Work: Please refer to the ACS .  

For Demonstrations: Please refer to the ACS Division of Chemical Education .

Other Safety resources

: Recognize hazards; Assess the risks of hazards; Minimize the risks of hazards; Prepare for emergencies