Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
How can I classify metalloids?
The common classification for are, possess some characteristics of metals and some of non-metals, semi-conductive, and are metallic lustre.
There are only seven classified :
The best way of determining if an unknown element is a Metalloid is by checking if any characteristics of metals and non-metals can be found, if both are then you most likely have a Metalloid element.
If you want to go into more detail. please message me on YouTube at https://www.youtube.com/user/sirlegna If get enough desire to understand this concept I will make a video on the subject matter.