Answer:
Step-by-step explanation:
When looking at the periodic table, it's important to consider that all the metals are at the left side of the periodic table (Except for Hydrogen). The right side of the periodic table are all nonmetals. The border between metals and nonmetals are the zig-zag lines you can see which contains metalloids elements (Boron, Silicon, Germanium, Arsenic, Antimony, Tellurium, Polonium, and Astatine all appear to have the zig-zag line).
Hope this helps!