How alkali metals react with water and air.

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Comments

18 comments posted so far. Expand all comments Login to add a comment.

Picture of ktg_536 achievements

+28

1. ktg_5 2 years ago

Holy fuck that last experiment 2:15!!! How much did he drop? We're talking a few grams aren't we? :O

Picture of blackty29 achievements

+42

2. blackty 2 years ago

The next one down is when I go to the toilet after eating Indian cuisine.

Picture of Flox33 achievements

+3

3. Flox 2 years ago

It's actually "alkali", don't know how I got the title wrong :p

Picture of Baboon39 achievements

+9

4. Baboon 2 years ago

can you hear him whistle at the end? like (we're doomed) :|

Picture of Tareim46 achievements

+8

5. Tareim (admin) 2 years ago

#3 I've updated the title for you

Picture of Vergetta25 achievements

+15

6. Vergetta 2 years ago

I love science stuff, more please. !! :)

Picture of Tehrasha27 achievements

+13

7. Tehrasha 2 years ago

#1 He did not drop very much. It is heavy enough that it sank, then ignited the resulting hydrogen gas while underwater. The pressure wave from the explosion broke the glass.

Picture of loadrunner46 achievements

+4

8. loadrunner 2 years ago

Don't even dare to try Francicum. :)

Picture of tim42036 achievements

+2

9. tim420 2 years ago

Many years ago, I once dropped a small cube of caesium into a sink of water at school, i got sent home for 3 days, and had to pay for a new sink! >:)

Picture of primate197030 achievements

+4

10. primate1970 2 years ago

I remember watching this very same video in science class back in the 1980's.....! :)

Thanks for the memories.... :D :D :D :D ;)

Picture of sgtstone534 achievements

+3

11. sgtstone5 2 years ago

It's all clear now why my dad took my chemestry set away from mr :'(

Picture of Namron724 achievements

+1

12. Namron7 2 years ago

Wish we had this video in skool when I was a kid >:)

Picture of huldu30 achievements

0

13. huldu 2 years ago

I guess the camera broke showing the next one due to the cut? j/k! Felt like something was missing in the end.

Picture of Wynadorn27 achievements

0

14. Wynadorn 2 years ago

look around you? :P

Picture of irishgek50 achievements

-1

15. irishgek 2 years ago

0:51 just before he lifts the blade after cutting the potassium you see CHUCK NORRIS in the Metal just before it oxidises , Ok might not be chuck but there is a face there !

Picture of blackd37 achievements

+2

16. blackd 2 years ago

#8
Bulk francium has never been viewed. Because of the general appearance of the other elements in its periodic table column, it is assumed that francium would appear as a highly reflective metal, if enough could be collected together to be viewed as a bulk solid or liquid. However preparing such a sample is impossible, since the extreme heat of decay (its longest isotopic half life is only 22 minutes) would immediately vaporize any viewable quantity of the element.

Picture of sux2bu59 achievements

+4

17. sux2bu 2 years ago

#16 You should at least give Wiki some credit for that direct quote from their site. Quotations would suffice. :D

Picture of stonelocomotief1 achievements

+2

18. stonelocomotief 2 years ago

#1 He doesn't drop only a chunk of metal. It's in a small container that is made of water soluble material, such as polysacharide. If it wasn't in this container, it would have lit on fire in the air or explode immediately on contact with the water. For the sake of an increased visual effect and the safety of handling the metal it is put in said container.