Periodic Table SJC
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Periodic Table SJC
Materials to help teachers and students understand the periodic table at a high school level.
Curated by Peter Phillips
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20 Things You Didn't Know About... The Periodic Table | DiscoverMagazine.com

20 Things You Didn't Know About... The Periodic Table | DiscoverMagazine.com | Periodic Table SJC | Scoop.it
How it started, how it's like solitaire, how to fold it, and how it ends.
Peter Phillips's insight:
The rather human story behind how the periodic table evolved, including the card game 'patience', publisher's deadlines and a clever little system.
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We are all star stuff: How elements get made

We are all star stuff: How elements get made | Periodic Table SJC | Scoop.it

The production of elements in supernova explosions is something we take for granted these days. But exactly where and when this nucleosynthesis takes place is still unclear – and attempts to computer model core collapse scenarios still pushes current computing power to its limits.

 

Stellar fusion in main sequence stars can build some elements up to, and including, iron. Further production of heavier elements can also take place by certain seed elements capturing neutrons to form isotopes. Those captured neutrons may then undergo beta decay leaving behind one or more protons which essentially means you have a new element with a higher atomic number (number of protons in the atomic nucleus).

 

This ‘slow’ process or s-process of building heavier elements from, say, iron (26 protons) takes place most commonly in red giants (making elements like copper with 29 protons and even thallium with 81 protons).

 

But there’s also the rapid or r-process, which takes place in a matter of seconds in core collapse supernovae (being supernova types 1b, 1c and 2). Rather than the steady, step-wise building over thousands of years seen in the s-process – seed elements in a supernova explosion have multiple neutrons jammed in to them, while at the same time being exposed to disintegrating gamma rays. This combination of forces can build a wide range of light and heavy elements, notably very heavy elements from lead (82 protons) up to plutonium (94 protons), which cannot be produced by the s-process.

 

Further reading: 

 

Arcones A. and Janka H. Nucleosynthesis-relevant conditions in neutrino-driven supernova outflows. II. The reverse shock in two-dimensional simulations.

 

And, for historical context, the seminal paper on the subject (also known as the B2FH paper) E. M. Burbidge, G. R. Burbidge, W. A. Fowler, and F. Hoyle. (1957). Synthesis of the Elements in Stars. Rev Mod Phy 29 (4): 547.


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The Photographic Periodic Table of the Elements

The Photographic Periodic Table of the Elements | Periodic Table SJC | Scoop.it
The definitive online periodic table reference site including technical data, and photographs and descriptions of thousands of samples of the chemical elements.


Excellent resource on the Periodic Table.  Provides images for all elements, information on teh Chemistry and use of each element as well.  Images related to the uses are also provided. 


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This Week in Science History - Mendeleev's Periodic Table - The Naked Scientists March 2009

This Week in Science History - Mendeleev's Periodic Table - The Naked Scientists March 2009 | Periodic Table SJC | Scoop.it
This week in 1869, Mendeleev proposed the periodic table now adorning chemistry labs the world over...

 

Brief interview explaining the history of the Periodic Table.  


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Atoms and Periodic Table Unit PowerPoint / Lessons for Educators

Atoms and Periodic Table Unit PowerPoint / Lessons for Educators | Periodic Table SJC | Scoop.it
Science Units that use PowerPoint presentations in a refreshing new way to present class notes, labs, assessments, project ideas, discussion questions and much more for educators and homeschool parents for grades 5-10.

 

This main page provides downloadable PowerPoint presentations on teh atom and the Periodic Table.  This also provides some quizzing.  Very useful for both classroom and individual learning. 


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Interactives . The Periodic Table . Intro

Interactive Periodic Table site that begins with a review of the basics of the atom and then tests your learning with a quiz on understanding ions vs atoms and naming elements based on atomic information. 


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The Periodic Table of Videos - University of Nottingham

The Periodic Table of Videos - University of Nottingham | Periodic Table SJC | Scoop.it
Short videos about every element on the periodic table, plus other cool experiments and chemistry stuff...

 

Great resource for the Chemistry teacher (and anyone else interested in Chemistry).  Good balance of clear explanation and application. 


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The Universe - Cosmic Vistas, Magnificent Views of Space. A Video Documentary [4 hrs]

The "Journey to the Edge of the Universe" documentary film broadcast on National Geographic and Discovery Channels.


Via Dr. Stefan Gruenwald
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The Universe. Sit back and enjoy this 4hr free to air youtube ... Thanks to Nat Geo & Discovery Channel.

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The Universe. Sit back and enjoy this 4hr free to air youtube ... Thanks to Nat Geo & Discovery Channel.

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Chemistry workbook for dummies

A Slideshare of the actual Chemistry for Dummies Workbook.  (To be honest, I am not sure about the copyright issues, but it is a helpful resource).  The Periodic Table section begins on slide 66.


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Elements, Planets and Satellites

Elements, Planets and Satellites | Periodic Table SJC | Scoop.it
How do new elements enter the periodic table? How much does the earth weigh? Could Jupiter blow up?

 

Podcast including asnwers to a wide variety of science questions,  Great explanation of manmade  elements begins at 8:15.


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Meet the Elements - They Might Be Giants (official video)

The 80's band They Might Be Giants have moved to teaching young people about a number of topics.  In this song, they related how elements combine to create molecules.  Not specifically on the Periodic Table, but great fun. 


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Periodic Table of Elements and Chemistry

Periodic Table of Elements and Chemistry | Periodic Table SJC | Scoop.it
Award winning periodic table, with user-friendly element data and facts. Cool, online chemistry videos, dictionary, tools and forum.

 

Provides excellent information on all of the elements through an interactive Periodic Table. 


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Mendeleev's Periodic Table

Hank tells us about the awesomeness of the periodic table and the genius of the man who invented it. Follow SciShow on Twitter: http://www.twitter.com/scisho...

 

Lively look at the Periodic Table and it's elements.  Great video for keeping students' attention, but very fast paced. 


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Dynamic Periodic Table

Dynamic Periodic Table | Periodic Table SJC | Scoop.it
Interactive Web 2.0 periodic table with dynamic layouts showing names, electrons, oxidation, trend visualization, orbitals, isotopes, search. Full descriptions.

 

The best Periodic Table on the web. Interactive and informative.


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