This word search includes clues such as:
1. Liquid in group 7A
23. Element with configuration 1s22s22p63s23p1
28. Period 3 element that gains 2 electrons
34. The most reactive metal
Topics covered include atomic number, element symbols, groups and periods, element classes, group names, electron configuration, ions, valence electrons, and atomic radii.
The answer key is included, and because it is an EXCEL file, it can be edited to meet your own needs.
This product is perfect for the students to do with a substitute. It took my students about an hour to complete.