Final answer:
The major group of elements found along the zig-zag line of the periodic table are the Metalloids.
Step-by-step explanation:
The major group of elements found along the zig-zag line of the periodic table are the Metalloids. These elements have properties that are intermediate between metals and nonmetals. Examples of metalloids include boron, silicon, germanium, arsenic, antimony, and tellurium.
Learn more about Metalloids in the periodic table