The Periodic Table: Crash Course Chemistry #4

Hank gives us a tour of the most important table ever, including the life story of the obsessive man who championed it, Dmitri Mendeleev. The periodic table of elements is a concise, information-dense catalog of all of the different sorts of atoms in the universe, and it has a wealth of information to tell us if we can learn to read it.

Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App!

Table of Contents
Dmitri Mendeleev - 0:45
Mendeleev's Organization of the Periodic Table - 2:31
Relationships in the Periodic Table - 5:03
Why Mendeleev Stood Out from his Colleagues - 7:09
How the Periodic Table Could be Improved - 8:28

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Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App! 

[elizabeth]

I actually love this comment section. It’s pure Au

[mysteryman]

A neutron walks into a shop and says, "I"d like a coke."
The shopkeeper serves up the coke.
"How much will that be?" asks the neutron.
The shopkeeper replies, "For you? No charge."

[Liv-wskk]

Can you imagine having as much confidence as Mendeleev? What an icon...

[alexmccullough]

Looking at all the puns about helium like "HeHe"

[gavinwarner]

You know, I was going to tell you a chemistry joke, but the only ones I have are Boron, and all the good ones Argon.

[kartiktanguturi]

Chemistry jokes are sodium funny! I slapped my Neon that one.

[rabotlhokotlhabane]

You are right . My Mom scarified a lot for me .She passed away last year in September due to lung cancer, but before she could die, I told her that I would like to be a Biochemist one day and she agreed(approved) my idea . I will not disappoint her .fFinally I managed to enroll with University Of South Africa this year . I am studying Bsc : Biochemistry and Microbiology part time, but at this stage I am an Electronic Engineer, I am changing the stream because I have always  loved Biology and Chemistry . Thanks for your efforts Crush course team.

[juliancarlsonchanel]

My teacher threw sodium at me. Thats assaualt

[petrifyer]

Is nobody going to comment on how amazing Mendeleev's mother was?

[deeflores]

the story of Mendellev's mother is heartwarming :). Now to memorize this damn table :O

[jannac]

i was going to tell you a chemistry joke, but i knew you'd have no reaction.

[coolbeans]

two men walk into a bar. The first man says to the bartender: "I want H20", and the second man says: "I want H20 too."
The second man dies.

[XZeroOneArmour]

nobody talks about the Horse here . without the heroic sacrifice of that horse we wud not have any P. table today

[Crazyboy]

the amount of nerdy jokes in the comments is amazing lol. I'm only here to better understand my chem course

[MrMask-lbiq]

Chemistry Class Be Like
Teacher: "Do you know the formula for sodium hypobromite?"Me: "NaBrO."
Teacher: "What about the symbol for Nobellium?"
Me: "No."
Teacher: "Well do you at least know the symbol for sodium?"
Me: "Na."
Teacher: "... A+! :D"

[realgirl]

*Well, I heard that Oxygen and Magnesium are going out on a date and I was




*"O" "Mg"* 😮😮

[rtroxw]

I had a teacher named Mr. KOH, so normally we called him Potassium Hydroxide

[megangilmore]

I told a joke to the noble gases but they didn't respond :(

[seasa]

Au: You heard about Gallium and Yttrium?
Ag: Nah what about em'?
Au: They GaY