Answer:
Metalloids, also known as semimetals are elements containing properties similar and midway between metals and nonmetals. They are found to divide the periodic table between the metals on the left and the nonmetals on the right. Metalloids often have the following properties: could be dull or shiny.
When you have a chemical reaction, it means something goes wrong with your chemicals.
It would be C. Hope this was helpful! ;)
