Identify the element that does NOT belong to Period 6 of Modern Periodic Table.

Correct option is A

The correct answer is (a) Silicon.
• Silicon (Si) is an element that belongs to Period 3 of the Modern Periodic Table, not Period 6.
• It is a metalloid with atomic number 14 and is widely used in electronics and computer chips due to its semiconducting properties.
Information Booster:
• Tungsten (W): Belongs to Period 6, with atomic number 74. It is known for its high melting point and is used in light bulb filaments and cutting tools.
• Rhenium (Re): Belongs to Period 6, with atomic number 75. It is used in high-temperature superalloys and catalysts.
• Platinum (Pt): Belongs to Period 6, with atomic number 78. It is a precious metal used in jewelry, catalytic converters, and various industrial applications.