Periodic trends like atomic radius and ionization energy aren’t just facts to memorize—they’re patterns that reveal the hidden structure of the periodic table. Understanding these patterns helps ...

The Chemistry Graduate Student Association and the American Chemical Society Drexel Student Affiliates had a very important prayer for the afternoon of Oct. 24: A relatively clear day with little to ...

Why it matters: The periodic table organizes elements by atomic number and properties, making it a powerful tool for predicting reactivity and bonding tendencies. Learning made easier: Interactive ...

Earlier this year, a professor in Florida Atlantic University’s Wilkes Honors College sent a group email complaining that the dry-erase boards in the classrooms weren’t being erased. Even worse, the ...

You may use table navigation commands for the screen reader of your choice. The Periodic Table of Elements. Each entry contains the atomic number, chemical symbol, and atomic mass to two decimal ...

For professor of chemistry and physics Richard Zare, the goal for CHEM 29N: Chemistry in the Kitchen is not to make students into great cooks or chemistry majors. Instead, he hopes students “take this ...

ANDERSON TWP., Ohio — A Halloween tradition at Anderson High School was in full swing Friday morning. In its eighth year, students volunteer to carve each element of the periodic table into a pumpkin.