Based on its electron configuration (1s² 2s² 2p⁵), fluorine has seven valence electrons. This count is derived from adding ...

Creating a data table beforehand will help you organize your observations and measurements. For example, if you are testing ...

You probably learned in high school chemistry class that core electrons don’t participate in chemical bonding. They’re thought to be too deep inside an atom and close to the nucleus to meaningfully ...

Everything around us is built from sets of chemical elements. From the air we breathe to the jewelry we wear. All of these elements can be found on the periodic table that we’ve all had a chance to ...

This video explains why combining sodium and mercury is dangerous and why it should never be attempted outside of a properly equipped lab. We cover the basic chemistry at a high level, the health and ...

Kids these days, they have it so easy. Back in the old days, we learned our elements the hard way, by listening to “The Elements” by Tom Lehrer over and over until the vinyl wore out on the LP. Now, ...

Scientists at the Department of Energy’s Lawrence Berkeley National Laboratory are using the 88-Inch Cyclotron to help steady the famous periodic table of elements one atom at a time where it's gone a ...

TMC The Metals Company has been a meme-stock favorite, but the story has some real depth. TMC wants to mine international seabeds teeming with minerals that are vital to U.S. manufacturing, defense, ...