Continue to project the image Periodic table of energy levels for elements 1–20 and have students look at their activity sheets to find patterns in the number of electrons within each energy level.

Damage to Sensitive Samples: The high-energy electron beam can potentially damage or alter the surface of sensitive materials.; Vacuum Requirement: AES requires a high-vacuum environment to prevent ...

In a new study published in Nature Energy, a research group led by Prof. Xianfeng Li from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences (CAS) collaborated with ...