Lesson Plans: The Periodic Table and Bonding Download inquiry-based lesson plans and activity ... Guidelines and Recommendations for Teaching Middle & High School Chemistry Learn to navigate the core ...

Students look more deeply into the structure of the atom and play a game to better understand the relationship between protons, neutrons, electrons, and energy levels in atoms and their location in ...

The zigzag, staircase, line in the diagram of the periodic table above separates the metals, on the left, from non-metals, on the right. Hydrogen is a non-metal, but it is often put in the middle.

You'll find it on the wall of nearly every school chemistry laboratory in ... This year, the periodic table of chemical elements celebrates its 150th birthday. As the candles on the cake are ...