The Four “New” Elements & How We Got Them

The periodic table just got four new elements, but this isn’t as groundbreaking as recent headlines would have you believe. Join Speaking of Chemistry’s resident killjoy to find out why.

Seriously, though, this is some really cool chemistry. We want to thank C&EN’s elemental expert Jyllian Kemsley and chemist/chemical linguist Shawn Burdette of Worcester Polytechnic Institute for their help with this episode.

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And if you want to learn more about these elements, check out these great resources:

Seventh Row Of The Periodic Table Is Now Complete With Addition Of Four Elements | C&EN
http://cen.acs.org/articles/94/web/20…

How Pee Brought You The Modern World

You might not believe it, but there was a time when urine, yes urine, was prized by chemists. Pee played a part in some of the most significant discoveries in science, and it helped shape the modern world. This week, Reactions looks at the reasons why pee was once the “number one” material in chemistry

Bohr-Rutherford Models don’t have to be so “Bohring”

Practicing Bohr-Rutherford diagrams can be a “bohring” and repetitive activity, but interpretive dance can shake things up. Let’s get students out of their desks and working as collaborative teams to share knowledge and create success criteria. Continue reading

Why We Are Made of “Star Stuff” – Reactions

As Carl Sagan famously said, “We are made of star stuff.” Whoa. It’s a mind-boggling thought, but what exactly did he mean? Check out the video to find out…

Thanks to the American Association of Chemistry Teachers for making this video available.

Creating an Element Superhero or Villain

villans potassium««« written by Ana Pereira Neves.

Curriculum Connection:

This activity is intended for Grade 9 D/P level courses.

Introduction:In this activity, you will create a poster of a Superhero or Villain based on an element in the periodic table with an atomic number of 20 or less.

Continue reading