Concept:Metalloids are elements with properties intermediate between metals and non-metals. They are often semiconductors.
Explanation:Germanium (symbol Ge, atomic number 32) is a metalloid. It is brittle and grayish-white.
It conducts electricity under certain conditions, making it useful in transistors and diodes.
Coke is a carbon-rich fuel, not an element. It is not a metalloid.
Iodine is a non-metal belonging to the halogen group.
Sugar is an organic compound, entirely non-metallic.
Only germanium among the options shows mixed properties of metals and non-metals.
Other common metalloids include boron, silicon, arsenic, antimony, and tellurium.
Answer:Option A: Germanium