The formula H₂O shows that water is made from two atoms of hydrogen (H) bonded to one atom of oxygen (O). Katie: Time for some science. And today it's a chemistry classic, the periodic table ...

Periodic Table Educational Resources for Ages 18 & up Activities and Videos Periodic Table Trends Activity Download, print, and cut the cards you need to do this activity. Then watch the instructional ...

When it comes to the elements, humans are pretty good at ensuring that nothing goes to waste. We’ve put nearly every element on the periodic table to work, whether it’s fueling chemical reactions ...

Looking at the periodic table, most of us have no issues identifying the use of certain elements. Sodium, carbon, nitrogen, oxygen and others are no-brainers but what about the less talked about ...

One in 5 Americans can't name a single element on the Periodic Table. Most Americans surveyed (59 percent) couldn't name more than 10 elements of the 118 that grace the Periodic Table.

A new periodic table sizes the boxes for each element based on their relative abundance. Oxygen is plentiful, but indium and helium may soon be scarce, thanks to humans' voracious appetite for ...