Answer:
Germanium
Step-by-step explanation:
Metalloids are also known as semi-metals. They have properties that are intermediate between metals an nonmetals. They are found in between metals and nonmetals in the periodic table.
Groups are the vertical column of the periodic table while periods are the horizontal rows of the periodic table. Carbon belongs to group 4 of the periodic table where there are two metalloids (silicon and germanium). However, germanium (Ge) belongs to the fourth period of the periodic table.