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Remarkable Scientists: 7. Dmitri Mendeleev

Dmitri Mendeleev

Our next remarkable scientist is a man who uncovered the hidden order of the elements. Dmitri Mendeleev was born in 1834 in the Siberian village of Verkhnie Aremzyani. 885 more words


Friday, 1/23/15

Learning Objectives:

  • Illustrate the differences in the physical and chemical properties of a molecule and the individual atoms that bond to form that molecule.
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The Everything Map (the map of all the things)

There is a chart that maps the universe. All of it. Not just the bit we live in. All of it. There is a chart that maps the entire universe. 382 more words


Constant Science: Minute Chemistry Part 1 (of 23.6)

Well, my voice is back in good working order so it’s time for another episode of Constant Science! This week I’ve decided to embark upon a long and hopefully fruitful journey across all 118 elements of the periodic table, giving myself just one minute to tell you some basic facts and cool stuff about each of them in order. 47 more words


Tin - Sn - Putting the reversal into reversal film

Tin (Sn – Atomic number 50) is a metal, except when it isn’t.  White Tin, or β Tin is a metal, but there is also another allotrope – α Tin – grey Tin which has no metallic properties at all.  655 more words

Periodic Table