Added: 3 years ago
From: OUlearn
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  • OMFG caesium was epic :O

  • I also heard than francium is mostly held by the military since its so dangerous..

  • are there any videos of francium in water?

  • @MLangan86 Francium so far can not seem too exist on its own due to how reactive it is so it is nigh impossible at this day and age to even witness what happens if it where to react although I can say that there are theories too what would happen if it where to be isolated and then put into reaction that you could read into and then use your imagination to do the rest lol. I could be wrong but to my own knowledge this is the case. 

  • Fucking Cesium.

  • You actually see the Glass break.

  • chemistry is soooooooooooooooooooo fun except examz r not a bit :P

    like this post haaaaaaaaaaaaaaaaaaaaaaa

    m jxt kidding :Pu dont have 2 if u dont want to

  • Comment removed

  • Francium!

  • @Drummer8nimation Francium will decay before reacting with water.

  • @Aviatorsmith Ok thanks for telling me :)

  • Where's francium?

  • @andresblazeit420 francium is extremely rare.. like SUPER Rare like 5g on the planet or something

  • @marcopolo359 I think it's 14g at any given time..

  • If thats how caesium looks like, i wonder how francium does =D

  • " Now let's see francium"

  • I was like... Wow

  • there so reactive! 2.19 was so cool.

  • It's funny...Francium has such a reaction to even the smallest amount of moisture that even picking it up with a bare hand can cause a severe explosion. The only place you'd ever be able to find it would be in extremely deep salt mines.

  • i like how it was described as being more terrifying... haha

  • thank you...very helpful video(esp when cramming) =)

  • Thank You OU. You make education very interesting.

  • Wow. Cesium=awesome.

  • I heard a guy whistle at the end....

  • yeah, i can see why.

  • Nifty!

  • 2:19 HOLY SHIT!

  • @darksideofthebrick13 thats what i said!! LOL

  • It's the best video about alkali metals I've ever seen!

    Very good!

  • I Think that this is what they call a VICKI DREW moment

  • Too bad that Francium is 1 illegal for anyone to own and 2 has a half life of only 21 minuets.

  • yeah :(

  • Probably the best non-faked (Braniac!) alkali video that I have viewed. Both factual and interesting.

  • woweeee!

  • FWANKIUMMMMM =D

  • lets try cesium.......BOOM! lawl

  • @kindofmagicmike try francium! im kidding dont!

  • "You can see things become more terrifying as we go down the group"

    LOL :)

  • Fantastic! I saw the exact same film in school!

  • I luuuuv chemistry <3

  • neato. beats reading texts

  • My chem professors professor lost a hand to one of these in a similar reaction.

  • That was awesome!

  • They probably can't show Francium. I recall Brainiacs (a science show) did the same series of experiments but weren't allowed to complete the group as the final elements are too dangerous.

  • Wow really? That makes me wanna go try them and see what happens.

    If you see a big mushroom cloud, no worries, its just me experimenting.

  • we just did all that in a lab today. xD

  • laskdj the ending woah. I didn't know metals did that. Very cool :3

  • only alkali metals!

  • What a strong metal is Caesium! can show us francium?

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