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History

Blast from the Past: Periodic Table StyleGet comfortable. Find your favorite blanket and snuggle up in a chair. Relax. We'd tell you to close your eyes too, but that might make this whole reading t...

Periodic Table Guide

The Hitchhiker's Guide to the Periodic TableTake a nice long look at the periodic table, Mendeleev's favorite creation. Seriously. Check out the colors, the rows, the columns, and the symbols. Have...

Alkali Metals

The First Elemental FamilyGrab your cameras. Raise the flags. Play "Hail to the Chief." The first family of the periodic table has arrived. That's right, folks, please extend a warm welcome to the...

Alkaline Earth Metals

The Not So Terrible Twos: Alkaline Earth MetalsThe second column of the periodic table is called group two. It's also called the alkaline earth metal family. Beryllium (Be), magnesium (Mg), calcium...

Transition Metals

Transition Metal MadnessLocated in the heart of the periodic table are the ever-favorite transition metals, also known as the transition elements. These d-block elements are the short columns in th...

Metals, Metalloids, and Non-metals

Metals, Metalloids, & Non-Metals, Oh My!It's hard to believe, but we've already navigated through a huge chunk of the periodic table. So far it's been pretty straightforward: explore a column h...

Halogens

Hail to the HalogensFive elements are located in the fifth row of the p-block: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). When their powers combine they summon the Ea...

Noble Gases

Gases Are So NobleWe've navigated through the s-block. We've trekked through the d-block. And now we've reached the last column of the p-block. Welcome to the noble gases.The noble gases: group 8.T...

Periodic Table Trends

The Periodic Table is Oh So TrendyAt this point, we've examined various elemental occupants of the periodic table. Trust us, understanding general trends within families will come in handy one day,...

Test Your Knowledge

History1. Which of the following is not an organizational classification of the periodic table?A. PeriodsB. BlocksC. OrbitalsD. GroupsE. Family2. The atomic number of an element is equal to:A. The...
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