Bromine (new) - Periodic Table of Videos

[BennitoJuarez01]

ahh.. now bond bromine to vegetable oil, call it "brominated vegetable oil", and add it to the Mt. Dew ingredient list... yum!

[dean10007]

If you've ever had a Mountain Dew, you've consumed Bromine... Nothing like the flavour binding effects of Brominated Vegetable Oil (to say nothing of the negative health effects)

[FmasterJG]

Green Chemistry!!!!

[darkpigion]

Does Neil talk at the end?

[RaviPatel422]

If you look at 4:35 on the right side theres the iodine for the next video

[msduckfuck]

osmium does not stink, if you smell anything from osmium, that means its coated in osmium tetroxide, which is fantastically toxic

[msduckfuck]

look at the back round at 3:04 the message comes out of the computer screen!!

[Lea71777]

Yeah it smells, Feet smell, eggs smell, Rancid Greese smells, what dose this smell like?

[CertifiedBad4ss]

@Lea71777 Smells like bromine.

[MrHaruharuharuhi]

Honestly what isn't found in the damn sea.

[boravw1]

Bromine and Osmium those elements Stink :)

[ilvmusiclol]

@boravw1 Group 6 Elements (some call it Group 16) besides Oxygen, I mean Sulphur, Selenium, Tellurium, they all stink too, I have never used Tellurium personally but I was using small amounts of Selenium in University and my sweat, which usually contains Sulphur, stank for days afterwards, even small amounts of sweat was unbearable for about a week or so afterwards.

[Account0997]

Considering its vapor: can bromine be used as a cheap air conditioning in a heated pot?

[MrBubby27]

@Account0997 try it youl die because ita a fuckin poison u dumb shit

[MrBubby27]

i am doing a project for school and i just happened to pick bromine out of the bag any ideas on how to write the story



[CotDaTroll]

Bromine.... the element of the Bronys

[godzillalowzisern]

Thank you very much for such informative video.

[theonekid16]

the chillest of all elements

[msduckfuck]

stupid idea #986 : inhale the air next to a fume hood vent

[sleepygiant123]

he says brony in the brgining, im doing a project on this element and i picked because it sounds like brony

[WeaselWJ]

If it is called Aluminium Tribromide, the naming convention suggests it is a covalent compound rather than an ionic one.

[rayandreina]

DON'T EVER TRY THIS AT HOME!!! -- these scientists are highly-trained professionals! Bromine is EXTREMELY toxic, corrosive, and fuming (both literally and figuratively; i.e., it is exceedingly dangerous!). And to be perfectly honest with you, I didn't really suspect anything until I watched this video!

[clevrsnowmen]

id rather see the element rather than listen to einstien talk

[awesomejoe12]

How hot does that reaction get? from the side it looked like it heated up the bottom of the crucible quite a bit...

[bbawor]

Really useful, thanks:)

[GreatBritishGamers]

Such a cool element but the problem is that it stains basically anything it touches...we had to wash our chemistry lab walls after an experiment 

[suburiboy]

i'm distracted by the screensaver in the back of the office.

[endimion17]

I don't understand, why is it known for its stench? Bromine is not disgusting. It has a smell similar to chlorine. It smells almost like bleach. Its smell reminds of chlorine disinfectants and really, I mean really clean surfaces wiped out of any bacteria.

Hydrogen sulfide has a stench. Impure carbon disulfide has a stench. Bromine doesn't. I think the scientists (whoever, it's not clear who did it) who gave it its name had some kind of olfactory disorder.

[63zepedaj]

my chemistry teacher makes stuff so cool i even bother 2 learn out of school lmfao

[ScienceyCubes]

How is it oxidising if it contains no Oxygen?

[Vaeyethe]

@ScienceyCubes There is oxygen all around it, in the air.

[zmod101]

@ScienceyCubes contrary to popular belief oxidation does not require oxygen. Oxidation is simply a term which refers to the exchange of electrons specifically a loss of electrons during oxidation. All you need is an oxidizing agent. While oxygen is an oxidizing agent there are many others.

[TheGhostbuster1989]

@zmod101

I always thought the Oxidation involves the Addition of O2 and the removal of H2

thaanks for the new info

[sedwarg]

@TheGhostbuster1989 why would the removal of H2 come into oxidation lol? Oxidation = the oxidation number decreasing and Reduction = vice versa

[CertifiedBad4ss]

@zmod101 You are talking about redox. Oxidation is defined as the reaction between oxygen and another substance.

But I'm sure you have already been corrected as your comment is 9 months old.

[FlyingPicklePeople]

@CertifiedBad4ss I just like how his comment uses the term in it's own definition! Oxidation does not refer to a loss of electrons during oxidation or else we still wouldn't have defined oxidation

[tijuanamarisol666]

@zmod101 However, most oxidation occurs with oxygen. You're right, the term "oxidation" doesn't 'require' oxygen, because when oxidation occurs, it simply means you've removed electrons from an atom, ie., Chlorine oxidizes Sodium when salt is made, but in most oxidation, oxygen is present and required...

[pooppeeyoupants]

@ScienceyCubes the oxygen around it!

[timeparadox888]

U mad, bromine?

[poplug]

@timeparadox888

Bravo.

Nearly lost my drink.

[107295]

Anyone notice that Afro-Professor's screensaver stretches over 2 monitors?

[moofotv]

@107295 Yes! xD

[Corey897]

Contrary to popular belief, this video has nothing to do with frat boys.

[mitchblahman13]

lol it's an english version of cutlerylover

[Account0997]

Will the fire poisen a food if you cook it over a aluminium tri bromine fire?

[nuni2141]

1:26 Green Chemistry!!!

[Kijekatana]

That guys hair is awesome.

[TheOneAndOnly699]

the chillest of all elements

[Kapao]

Nice sideburns, man.

[salsa02]

what does he say at 1:20 ??

[OOZ662]

@salsa02 "You can make bromine just by bubbling chlorine into a solution of bromide, like Dead Sea water, and the chlorine displaces the bromine and forms chloride. And the bromine just comes out as red fumes which you can catch."

[GHOSTTOYS]

talk to me about science like electricity or mechanic or even magnet and other stuff but chemical stuff ......... i love chemical but dont realy understand how it work .. but i like the guy air .. they are sick loll so it kind of catch me and i love is explanation he is pasionated by chemical and he explain it good so i might learn from that guy hehe

[thenameiskip]

I was mesmerized by the professor's computer screens in the background the whole time, lol.

*replays*

[themrbalz]

Who else noticed green chemistry iii in the screen saver

[themrbalz]

Well this guy got bullied at school!

[bodinian]

How toxic is Bromine? I had forgotten to cap a 3.0 mL conical vial of Bromine solution in my lab and after walking to my bench I accidentally got a whiff of invisible Bromine gas, which made me then immediately cap the vial. The smell was bad, my throat was irritated, but I didn't die (yet). What is the ld50? What is the most dangerous ingestion form?

[Agentoxedo07]

Holy-Terrorist:>*=* mercury bromide(HgBr), mercury dibromide(HgBr2) ?

xD

[dcswann01]

At 2:43 ....did I just hear him say that 'Aluminium is strongly oxidising'???????

Bromine is strongly oxidising and aluminium in this reaction is easily oxidised ... surely!

[oOoxelAoOo]

I wouldn't really use the word "nice" when describing Bromine fumes :D

[Mojosbigstick]

I once splashed liquid bromine on my thumb, and quickly developed a greater understanding of oxidation.

The wound it left was unsightly, but beautifully cauterised.

[Nguli34689]

Tellurium bromide might have a horrific stench also!

[ThePivotAlex]

Is Bromine commercially available? I want to run some reactions for some projects, But i cant seem to find any bromine. I cant take it from the sea either ( i live in Texas )

[mangoismycat]

I was wondering, why is it called tribromide instead of tribromine?

[BlackSkullRacer613]

@mangoismycat Because bromide is the reduced form of bromine.

[bodinian]

@mangoismycat It is made of charged particles, ions. The Br- ion is called Bromide. It is a salt, so it follows suit with other halogen salts in nomenclature. Such as Sodium Chloride, or Lithium Iodide.

[uut0]

the bromine fumes look like nitrogenoxide

[Onlyabreathaway]

How poisonous is bromine? What effects does it have on the human/brain?

[ballonman124]

Where do you get so many vials of bromine?!

[ChrisBclips]

it was neat how at the veeery end the gas seemed so heavy it acted almost like a liquid sloshing about in the bowl.

[GaseousNobility]

I loved the bromine and aluminum reaction, but I wanted to see what aluminum tribromide looked like :(

[kawana87]

What happens with all the toxic gases that get sucked out the fume hood?

[futurbotaniste]

thx a lot for the videos and especially for the subtitles.

as a French student, I'm very interested in chemistry and it provides an opportunity to improve level in English too :)

The reaction with alu and bromine is great ! xD

[MWSfreak]

2:03 look at the pc screens..

[gregnmac]

green chemistry

[Nikifuj908]

It's sparking, it's SPARKING!

[AHW214]

Al + 3Br = AlBr3

Like the professor said you can make bromine by bubbling chlorine through a solution with bromide anions in it.

For example: 2NaBr (aq) + Cl2 = 2NaCl + Br2

[BlackSkullRacer613]

Wouldn't it be aluminum bromide instead of aluminum tribromide? Prefixes are only used when there is a nonmetal reacting with a nonmetal. Also, because aluminum only has one oxidation state, there is no need to put any Roman numerals. Was Pete simply saying "tribromide" for the people who don't know the standard chemical nomenclature and/or the ionized states of aluminum and bromine?

[dajwilkinson]

@BlackSkullRacer613 At high enough temperatures a monochloride can be made in the gas phase from Al metal and the trichloride; the reaction reverses on cooling and can be used to prepare samples of very pure Al. Bromine *may* behave similarly. Even if it doesn't, pedantry might demand that the molecular formula Al2Br6 be used (the anhydrous form as made in this video is a dimer) - dialuminium hexabromide, anyone?

[dumle29]

the evaporating dish gets red hot!!!

[keggerous]

youtube buffers way to slow!!!

[sockington1]

@keggerous correct - but I notice that the irritant advertising isn't affected

[WeaselWJ]

@keggerous No, your internet is way too slow. I can easily stream this video.

[Gardala]

strepitoso!!bravi!

[Sturrmm]

I may just be noticing a pattern in your videos but do most or all oxidation reactions form molecules with three of one element?

[Shmilli]

It has something to do with how strong the element is at at oxidatiing other compounds. For instance, aluminium has enough charge to bond with three iodine atoms, while potassium can only bond with one, if I'm not wrong

[tailr]

this is why chemistry can never be boring, you always experiment and end up having great rxns

[archaedemos]

what about the Brominated Vegetable oil in my Mountain Dew? (;

[therealgeeza]

that is to keep the Dews well gassed

[julz1278]

I feel sick just thinking about the smell of that stuff.

[ofcata]

Thank you!

[Kargoneth]

Good grief... that got so hot that the bottom of the crucible started glowing. Is a lot of the bromine vaporized without reacting? would this work in a sealed flask or would the pressure of the vapor shatter the vessel?

"Green Chemistry !!!"

Professor Poliakoff has a funny screensaver.

[endimion17]

@Kargoneth It's not that kind of glow. The temperature is actually not that high at all. The glow is because of the flame. You're must've been thinking of molten iron, that's way hotter, and the light given off is given off by a different mechanism.

[TheRolemodel1337]

looks funny how you say "very very"

[cadwaele]

thanks

[dylz]

apparently bromine burns hurt like crazy

[johnclavis]

Terrific video! Great footage of the bromine reacting with the aluminum! Keep up the great work!

[xoxPigletBby]

Dumbass,

[tonkaaaaa]

3:10 HaHaHa.....is ther another person sitting below him moving ther arms & hands around, because those can't be his?

[lockheed22]

nope its his...compare it to 2:04

[Jornev]

Reminds me of those Seinfeld shows...

[Digeridude]

Question: How pure is aluminium foil? Do they add iron or tin, or anything like that to make it cheaper?

[magick205]

@Digeridude: I believe that it's all 1145-O alloy. Exactly what elements are added to this I'm not certain, but it's added to improve the foil's chemical and mechanical properties, not cost.

[TheCaptainLulz]

@Digeridude if its not assayed, assume it to be about 95%. its probably around 99% but the extra stuff is usually just oxygen attached to the surface. Iron would make it too brittle and tin costs WAY more than aluminium (Al - 1$/lb - Sn 8.50$/lb)

[Isenmouthe]

@Digeridude No aluminium foil is made of aluminium as pure as it gets, the cause of the delayed reaction is an extremely thin layer of aluminium oxide on the surface of the foil. The same delay can be seen in aluminium-Hydrochloride acid bombs.

[smeghead666]

@Digeridude I'm pretty sure that they add tin (hence its other name, tin foil) but that's just best guess

[ChRIs23696]

@Digeridude it varies with the make but generally it is quite pure (to the best of my knowledge). the only thing that not many people know is that aluminium is actually a very reactive metal, it is only unreactive as foil because it is oxidised.

[AlphaMaleRyan]

@Digeridude nope its 99.99 percent aluminum

[Aviatorsmith]

@Digeridude Aluminium foil is around 95% purity. Other metallic elements are added. The reason is not mainly due to cost though but for additional mechanical strength.

[BacklTrack]

@Digeridude With a quick google it doesn't look like it.

[mostliberal]

What I really want to know about is Iridium and Osmium, the densest elements in existence, and also the ones with the highest melting point.

[Masalmeh321]

@mostliberal Isn't Tungsten (Wolframite) the element with the highest melting point?

[porsche911sbs]

Tungsten has the highest melting point of all metals and the second highest of all elements if carbon is considered to have the highest (its allotropes of graphite and diamond stay solid past tungsten melting point).

[clarinetmaster101]

i love bromine♥♥☺☺

[seustaceRotterdam]

I was once doing a bromination in work. The dropppimng funnel containg the bromine in CCl4 jammed, the reaction gave an exotherm blowing all the stoppers and filling my fume hood with deep red Br2 fumes. I got a fright but manged to close the tap and save my reaction :)

[gremlindude10]

i have a really stupid chemistry teacher in school. which is a shame. I asked her if our temperature system was based on the freezing and boiling points of water. she didn't know.

[y0ung1s]

wow look att the two monitors 1:22

and i would have never noticed if it wernt for that good splff session:)

[LWStupidus]

Very cool video I love these!

[nokomarie1963]

Hah! You guys do everything I did as the little pyromaniac kid I was! Put everything in a bowl and set fire to it. If I had had a Laminer flow hood I could have called myself a scientist instead of a pyromaniac.

[kurtu5]

Aw you skip out on all the good stuff!

Like why can you see the flame through the crucible, if that is what it is called?

How does the fume hood work? How does it safely contain gaseous bromine? Or clorine? Or whatever. Do you have to "program" it with special filters?

If science was like racing cars, then surely the details of the pit work would be quite interesting as well as the race.

After all, you have us all hooked on your videos. Details are icing on the cake.

[endimion17]

@kurtu5 The fume hood works by kicking the vapors and gasses out of the building and into the atmosphere. It's not like they own a factory and pump tons of nasty stuff out each month that they would have to filter it. You can rest assure that nobody is harmed with such small ammounts of chemicals.

[paintballingfanatic]

i live in anglesey!

[Righty101]

I love the new videos.

[IsboPirate]

Hi :D

I've been suscribed quite a time to your videos. I have recently heard and read about Green chemistry.

What about making a video about that? I think it's really important to start using this new techniques for reactions.

They do not require dangerous/non-biodegradable solvents/reactives. Less amount of heat, less pollution. A better way to improve our environment and try to save it :D.

Thanks for this channel.

=D

[TomMarAlem1987]

One of the wastes in doing these experiments is that you don't have much left afterwards. the Resultants vaporize and become incorporated into the air. I would like to see a reaction that leaves a large quantity of precipitate in the bottom of the pan. What about a reversible reaction where you can get recollect the individual elements. Insha'Allah you will have a few of those.

[iheartrainbows88]

I like how they made the screen saver look like it's going from one computer to the other!! lol

[Blahfuwayne]

2-screen-setup anyone?

[XxTeamHazMatxX]

He's a G.

[beakz]

Triple Monitors here, 1 x 22" (WS) and 2 x 19" :) Never enough screen realestate :)

[magick205]

@beakz: 8 widescreen Dells for my work platform. I've gotten very spoiled.

[sporkafife]

Teehee, "reacts with water quite well". Don't you love the smell of bromine in the morning? Actually, if you do smell bromine in your house it's probably best to get out XD

[buzzausa]

Good stuff. :D

[320iguy]

O_o burning Al LOL that's sic!

[Anna001007009]

Fascinating!

[Chipsonfire]

I remember a Bromine spill we had on campus a few years back. Most of the campus was evacuated to be safe.

[ProfWithTheHair]

@Woad

You are right.  Aluminium has a coating of oxide Al2O3 on the surface which protects the metal underneath and the bromine has to penetrate this layer. But Iceraven32 is also right that, once the reaction starts, the heat accelerates it.

[5StarGeneralXenoCO]

@ProfWithTheHair Mmm yes Bromine must penetrate the Aluminium ^_^

[wtfdude8]

is that what flares are made out of?

[iceraven32]

@Woad

No, the reaction is most likely exothermic, and as such the heat produced speeds up the reaction rate.

[Woad25]

How come it takes a bit of time for the reaction to start and then gets going really fast? Is there some sort of coating on the foil that has to be eaten away or something?

[dbc616]

My favorite element

[LegallyMoi]

I like the way they say aluminum.

[lejink]

thats the way you should be saying aluminum too, they explain why in another video but the jist of it is the way in the video is the correct way

[kurtu5]

Yup, I simply decided to buck up and start pronouncing it properly.

Now if I can get the rest of my fellows to start using SI units; meters, grams, newtons, joules and the like.

[liam7morris]

it's the correct way of saying it, due to it being the English form of Aluminium, whereas Americans feel the need to take out the I

[ProfWithTheHair]

@lollsazz

The bottom was glowing because the reaction releases enough heat to make the aluminium foil red hot.

[DuskY1991]

Beautiful reaction, nice video.

[lollsazz]

Why was the bottom of the cup glowing? :S

[PeriodicElements]

Chemistry is SOOOO FUN!!!!!!!

[BenBurnley13]

Wow ! Amazing Video - As Always !

[ktrenchfield]

great post

[ElveeKaye]

I like how the screensaver goes from one computer screen to the other in the background. :)

[bodinian]

Yeah, I wonder how they do that

[Abengoshis]

Maybe they've linked the screens. -.-

[rjhrjh3]

It looks like they have linked the screens. I can do that between my monitor and my TV. The effect is that I can have logically one monitor that is twice as long as a normal one.

I can also have them as clones so they both have the same on the screen. This is good for watching something I have recorded on my computer eg Youtube. It is good because my TV is so much better and bigger than my monitor.

[Abengoshis]

Yeah the first part of what you said is what I said. I didn't know about the second part though - very interesting!

[Roddyoneeye]

Do you ever worry about a chemical reaction between your lens and the fumes ?

What was the cause of the fire between the evaporator cup and the table ?

[tomheadpro]

i love this channel :) :)

[drokles]

I like how the underside of the professor's hands are very leathery. Is that how you can tell apart chemists?

[games4lifeAndU]

i love chemestry !!!

[multaflor]

if you love it so much why cant you spell it?

[games4lifeAndU]

because english is not my first languege

[iwan0t0smith]

I'm guessing you studied at Bangor then?

that's a nice surprise seeing as i come from there

[georpthey]

Wow, our science teacher did a version of this at school today but I was ill. I'm sure this will really help me catch up. Thanks!

[GetMeThere1]

I hadn't known about the isotope ratio for bromine. Very interesting!

[Paxmax]

Bro' Mine!

[gonegonego]

excellent work guys,love it

[PartVIII]

i LOVE these (new) videos. they are thorough and have nice close-up views of reactions.

[pakelc]

Great video, as always very informative and didactic! But actually, the use of bromine for flame retardants is being discontinued, my apple computer is free from it.

[hectobar]

wow! much better than the reactions we see at school.

[Drag0nfoxx]

I love the updated videos. Thanks for making them!