The 5th period of the periodic table consists of elements whose atomic numbers range from 37 to 54. In this period, metals and metalloids are classified based on their properties. Metals are generally good conductors of electricity and heat, can be shiny, malleable, and ductile, whereas metalloids have properties intermediate between metals and nonmetals.
Element
Type
In (Indium)
Metal
Te (Tellurium)
Metalloid
In the options provided, In (Indium) is a metal, and Te (Tellurium) is a metalloid, which makes them the correct pair representing a metal and a metalloid in the 5th period.