I feel like eating the metal piece cus its so soft but it will explode in my stomach Residue: death Oxide

''And as you can see here I have three full bricks of Li, Na and K now let's dump them all into water like so...'' *Room bursts into flames*

@grass9047

5 жыл бұрын

AHAHAHAHAHAHAHAHAH!!!!

14:33 the best part

240p... we meet again

@wilsonblauheuer6544

9 жыл бұрын

chris cautillo why are the metals easy to cut because they are soft.

@f.jideament

5 жыл бұрын

Hello darkness my old friend

I loved the pop sound of H2

I felt a strange craving for steak when she cut the lithium.

7:58 "We need to cut a piece off..." K

Unlike school, here you can skip to the interesting parts!!

Made my day for the exam. I mean who'll read the theory? I have stuff in front of me!

great teaching. thank you.

now that's the BEST scientific observation eva (thumbs up)

i just watched this vid again and again to see the satisfying cutting of the metals

These videos are sooo helpful :D

Found this while studying alkali metals in science class.Epic. Nuff said.

what indicators are used?

Drying with paper towel doesn't seem any safer than using Hexane. If you were to wipe the potassium with the paper too hard, for example, you could cause the paper to oxidize the metal (causing a fire). This wiping could also induce a reaction between surface potassium superoxide and potassium metal, depending on how corroded the potassium is (again, causing a fire).

where do you get your metals?

this video has increased my love for chemistry...😘😘😍😍💜💜

@chittisatish8592

6 жыл бұрын

Yeah its right

It's super rare. As little as 20-30 g (one ounce) exists at any given time throughout the Earth's crust

@THENIGHTELFKALDOREI yeah, but no one can even work with francium because it is one of the most rarest elements, and no one has ever made a synthetic version if it.

My school is too poor, theyll just show this video instead

Just had a phone call from ELTON JOHN.......says he wants his glasses back!!!!

Is it sodium oxide or peroxide ?

Francium is an extremely rare meterial, also its only held in controlled environments, due to its volatile nature.

@apard7 no but francium is.

why r u using that circuit tester

Where's the fume hood?

group 1 metals have 1 valence electron, which makes them extremely reactive. it could react with almost anything, but oil isn't reactive with group 1 elements.

how can these scientist be so sensible, if that was me i would burn a whole chunk of pottasium and dont get me started about cesium... that would be my next best friend.

A suggestion - when passing around the petri dish(s) to show how light they are, also send around a "control" (empty dish) so one can see they almost weigh the same in one's hand. (add equal tape amount to the control as well if you tape the others).

im curious, what would happen if your skin has contact with lithium?

Also, francium is almost never with it's outer electron. It loses it so easily, it never actually has it, except for the instant of a nuclear explosion or something that produces francium

so they wont react with the moisture in the air

cesium isn't radioactive >.< . is it?

please re-upload video in HD Quality.

@royalsocietyofchemistry4447

5 жыл бұрын

Hi pankaj prasar, I'm glad you like this video. Unfortunately we don't have a higher res version to upload, but I hope it's useful nontheless

Exact same thought. I was about to write that as well lol

helped a lot thanks👍👍☺☺☺

why can't you touch the sodium? its not poisonous right?

AWSOME!!!!

Fist off Francium is Highly Radioactive-the longest isotope of Francium is Fr-223 with a half life of 22 minutes. Second, because of its high radioactivity, Francium doesn't last that long (obviously...) and can only be worked with if the chemist, physicist, etc. has a Level A Hazmat suit or a CBRN suit on to protect from the radiation

good video it teaches me well

no, only cesium created after a uranium fission reaction is radio active

Francium is extremely rare, with trace amounts found in uranium and thorium ores, where the isotope francium-223 continually forms and decays. As little as 20-30 g (one ounce) exists at any given time throughout the Earth's crust; the other isotopes are entirely synthetic. The largest amount produced in the laboratory was a cluster of more than 300,000 atoms. That's why no francium.

Awesome

so the water in the atmosphere don't chemically react with the metals

Very helpful for science students.

I thought that the brick was all lithium. I was like "must put whole thing into water!"

@faysalfaarax3478

5 жыл бұрын

thank you lesson I'm somaliland

do u have some?

why u r using that wire like machine

can you cut an atom with that scalpel?

oh wow shes interesting to listen to, such a captivating voice ¬____________¬

WILL SOMEONE JUST PUT FRANCIUM IN WATER ALREADY!? IM NOT DYING UNTIL I SEE FRANCIUM ENTER WATER EVEN IF I DIE PUTTING IT IN!!!

why is the metal soft?

@gregod10 it IS more reactive than cesium. It has only been tested once and it exploded in Area 51. There was a little test room and one man was killed.

Why is Kalium (K) called Potassium (lol) in english?

why are the metals easy to cut

@bilalzafar2871

5 жыл бұрын

Since they have larger atomic size that decreases down the period that why their chemical property makes them soft

But that K could get a exploseve cowt if left in oil for to long

group 1 is my favourite group

13:45,nice.

thanks for taking me back to my chemistry classes. i love chemistry

stops it oxidizing or reacting with air, like she says in the video, when the shiny part becomes dull, that's the metal oxidizing, NOW LISTEN IN CHEMISTRY CLASS

and it also blocks off oxgyen

what? No francium?

u know i have a wierd urge to bite into the sodium ingot but obviously it will blow up my head

@bilalzafar2871

5 жыл бұрын

Will the digested sodium go into your stomach or your head lol it's funny

Nice.

-As you can see... the shiny SILVER SURFER!!! ...

Most people don't like handling radioactive elements that you can't stop from exploding.

I don't think there is enough francium to give out. Also is highly radioactive.

1. This is for school purposes, they are not allowed to test for anything more reactive than potassium due to the violence of the reaction. 2. Francium is radioactive and next to impossible to obtain. 3. Yep haha

umm not all metals react to electricity

Its difficult to cut because the knife is blunt

Well, I have a Cargon.

She did throw it in the water.

Francium is so radioactive it is impossible to get a usable amount of it... sadly

No, cesium isn't radioactive. Francium is radioactive ^^

No Francium or Cesium-137.

hahaha amazing

Googling it

its caustic

they chose to live.

No Francium or Cesium-137. ;-)

The most stable isotope of Francium has a half-life of 22 minutes.

Becuase Francium is highly radioactive

obviously if he is watching this video he understands that.

cuting metal with a knife.... why the hell did i study as a blacksmith 4 years?

now try to throw Plutonium in the water

francium is extremely radioactive, it has a half-life of 8hours, and because of this cannot be produced stabily for any period of time as it almost completely disappears after a few days no matter how you store it. so in total, Francium is ludicrously radioactive, ridiculously radioactive and has a shorter shelf-life than dodgy vegetables, so not probably the best example to use

12:35 Na goes weeeeeee :3

name one non-conductive metal

@dgamezonu2693

6 жыл бұрын

Lead

Why do you use chlorine and not fluorine?

@jaysn1683

8 жыл бұрын

Well, thanks alot! :)

@rajeshshahi1000

8 жыл бұрын

+Royal Society Of Chemistry fluorine is the most reactive element known to man.

@haotinghuang3736

7 жыл бұрын

She said: Fluoride is the most reactive NON-metal.

@saeedakhan8877

7 жыл бұрын

because the reactions with fluorine are explosive releasing too much energy

Francium?

@macdaddydipper

9 жыл бұрын

Too dangerous

@Wallhackingplusesp

9 жыл бұрын

Yes

@trantuandungvu7961

8 жыл бұрын

It's radioactive

@trantuandungvu7961

8 жыл бұрын

Cesium and rubidium are dangerous

It would have been cool But dont think anybody on earth can get enough Fr to react out of the 40 gramms that are constantly reacting and re-creating ( if I can say so ) simulteanously on all the earth's surface xD.

@dragonslayer050819 it just is. Lol not a good answer.

Notice you forgot to tie your hair back when working with expriments like that. :/

as well that ounce being spread thought the entirety of the earth's crust.

I have an urge to bite a Francium ingot

Maybe she did use francium, it just blew up the camera and the whole lab which is why they couldn't send the video on youtube XD

In fact they are reactive because of their low electronegativities AND low ionization energies. Number of electron is not critical here. Fluorine or chlorine has seven electrons and it's also extremely reactive - and in this case is is caused by their high electronegativities AND high electron affinities. These two factors must occur both. There are some element which are characterized by only one of them, and they are not so reactive.

francium look like atomic bomb

That'll do literally nothing.