Answer :
Final answer:
An element in the upper right corner of the periodic table is either a metalloid or a nonmetal. Metalloids and nonmetals are mainly located in this area of the table.
Explanation:
An element located in the upper right corner of the periodic table is B- is either a metalloid or a nonmetal. The reason for this is that this portion of the periodic table mostly contains nonmetals and metalloids, which are elements like boron, silicon, germanium, arsenic, antimony, and tellurium. These metalloids separate the metals from the nonmetals in the periodic table and exhibit properties in between those of metals and nonmetals, being typically semiconductors. Elements on the right hand side of the periodic table have more nonmetallic character compared to the ones in other areas. Therefore, an element in the upper right corner of the periodic table could be a nonmetal or a metalloid but definitely not a metal.
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