Added: 3 years ago
From: jbs2013blah
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  • fluorine is the most electronegative of all elements. it wants electrons badly. and manages to take it even from the most stubborn elements, like noble gases or noble metalls, I doubt it can react with helium tho ? it would be bizarrrrr

  • WHY are there no vids on fluroine with cesium !? JEEZ

  • Fluorine is fucking awesome

  • To much info ... I'm gonna pop!

  • @bksmassive there's only a like a kilogram of francium in the world =.=

  • Fluorine reacts with all the elements in the periodic table with the exception of Helium and Neon. That's the pattern.

  • Such a calm, matter-of-fact English narrator, introducing violent chemical explosions. I expected to see the explosions escalate gradually until the whole lab blew up and everybody died, all while she continued to narrate scientifically.

    It's because I've seen this: watch?v=zekiZYSVdeQ

  • That's a rather old periodic table. Or is it just scaled down, with no lanthan/actinides?

  • This is stupid.. there are very few elements that wont react with fluorine. Florine is one of the most reactive elements reacting with pretty much all other elements. Containment for that element must be in a special container which the fluorine still slowly reacts with. Watch the periodicvideos' vid about it for better info about this element.

  • React it with Caesium :P

  • @cheesemaster1000

    you mean react it with Francium

  • Does it react with argon they use that's stuff with the alkali metels

  • @CrazyforDarkness Yes it does. You can get argon fluoride from it, which can be used to make powerful lasers.

  • Fluorine sets stuff on fire. Pretty obvious pattern if you ask me.

  • The only real patterns that appear across the table are due to them having electrons in the same energy shell and having similar size. There are much more similarities in the group than the period due to valence electrons, however.

  • I like how it sounds when fluorine reacts with aluminum and silicon.

    sounded like alien :D

  • many people died trying to create fluorine because it would react so dangerously that they would die. true story.

  • I don't think that's much of a trend as just about everything react with flourine.

  • DId that just char the glass?

  • @milotickz yes, it did.

  • I should have included the other nobel gases too. Though they will react with F2 they probably don't do it energetically.

  • Not really, most any element will burn brightly when powdered and mixed with fluorine. They used 3 row elements which are relatively electronegative compared to the rest of the periodic table which is below them. They only elemenst that i think might not combust are the nobel metals.

  • Do you mean the noble gasses? And Xeon and at a Push Argon will form componds with Flurine for example xeon tetrafluride.

  • @QuantumOverlord Well, my point was that how you mix the elements will affect the violence of the reaction. When a solid chunk of an element is used it tends to be a tame reactions while a well dispersed fine powder tends to react strongly. Though most of the noble gasses and noble metals will form compounds with fluorine i suspect that they all do so slowly, maybe even endothermically. Nobel metals are ruthenium, rhodium, palladium, silver, osmium, iridium, platinum, gold. They don't rust.

  • Oh OK, I didn't know about the noble metals, thanks I know somthing new! And yes thats completely true fine powder reacts much more strongly because of a larger surface area.

  • What is this an excerpt from?

  • If all the elements had been mixed with the fluorine in the same way, you would have clearly seen a reactivity trend.

  • fl+fr.......lol...............­........

  • Not really, all the alkali and alkaline earth metals are more reactive. Image Cesium and Fluorine, or better yet, Francium and Fluorine. See what i mean?

  • @boboosta So, what? Fluorine reacts with virtually everything except for Helium. I don't really see a pattern. Why don't we get any other element than helium and mix it with Fluorine, it will react.

  • why not helium?

  • @WhatElseExceptNature Not He nor Ne have been succesfully combined with any other element, even F. Their atoms are too small to let electrons interact via polarizability.

    In the case of Ar, just 1 compund has been produced, HArF, but many questions have been made about the real bondind nature of this substance, e,g,, is doesn't have anything close to an ionic or covalent bond.... looks like a "van der Vaals compound".

    Finally, fluorine compounds for Kr and Xe are already "classic" compounds.

  • @derkozten Cool, I do not know what most of the things you said are, since I am not an chemistry expert, yet that is...

    1. Polarizablity?

    2. Van Der Vaals compound?

  • a pattern?

    of course there is no pattern, it doesnt matter if u use Li or K instead of Na

    or Ca/Ba instead of Mg

    or B/Ga instead of Al

    or C/Ge instead of Si

    ect. pp.

    all the same...

    its like comparing red with red

    theres also a pattern, its always the same....

  • Tell us what the fucking pattern is then

  • The pattern is that they all make fire???

  • @surrillium lolz

  • @surrillium it becomes more reactive

  • Fluorine is extremely reactive, maybe too reactive for its "own good" as a chemical product. It reacts with virtually evertything, even heavy noble gases. For lab uses, it's mandatory to use teflon tubing or extremely dry glass.

    ... by the way, interesting how fluorine burns always yellow...

  • It burns blue with sulphur

  • no its not always yellow...

  • @derkozten

    Usage of teflon is only recommended for low temperature and low flow conditions. At temperatures > 60 °C or higher flows, teflon will ignite and react to CF4 quite exothermic...

  • @Fluorineisgreat I see... thanks for the hint.

    what tubin do you use then in your experiments? copper? dry glass?

  • @derkozten

    Copper is very suitable at temperatures below 100 °C, approximately. However it must be cleaned, degreased, burred and any solvent removed, then slowly passivated with fluorine. The passivation can take up to two weeks of time and builds up a inert copper fluoride layer. The same passivation process must be done for any metal used with fluorine. Stainless Steel 316L is good for medium flow an temperatures < 100 °C approx. Monel or Ni are suitable best and up to 650 °C approx.

  • @derkozten Correct,flourine technically is the most reactive element on the periodic table.

  • @derkozten

    What is even more interesting is how some stupid people believe this shit is good for the teeth...

  • I don't think there's much that doesn't react with flourine. Even some of the noble gases will react with it.

  • SO any dentist use youtube? Is it safe to use fluoride tooth paste? isnt that element a little to offensive to be swallowed? What does the medical industry say the long term effects of stronge elements being digested? For me thus far no serious deathly effects ive seen but honestly there is some truth to the dangers it poses correct?

  • There is a huge difference between fluorine (gas) and fluoride (ions). It's like stating that table salt (sodium chloride) is dangerous as it contains the toxic gas chlorine.

    I don't know enough about the long term effects of fluoride to comment on it though.

  • OMG that is hilarious!

  • Tucker is right but remember the caution label on the back of all fluoride toothpastes...its still toxic. Ingested, a toothbrush sized amount gives you stomach ulcers and larger amounts can actually cause brain damage,  death

  • Thanks for your response!

  • Unless you have an incredibly reactive body, you're fine.

  • The flourine in toothpaste has already reacted with other parts of the toothpaste, and isn't about to react any more.

    We did an experiment in Chem where we put Calcium in hot water and it caught fire. The lesson was about how alcium in our bones has already done all its reacting, so we don't explode.

  • Actually, they don't put fluorine in toothpaste, so it cannot possibly react with it. They put sodium fluoride, a salt, in toothpaste. This is like the difference between chlorine gas (a WWI weapon) and table salt (found on french fries). You are correct when you say it has done all of its reacting. And as for calcium in our bones, I am not sure but I think it is calcium chloride and other calcium compounds. Neither of these elements is found free in nature.

  • fluorine owns

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