Question

Elements of which family are in colored gaseous state, in liquid state and with metallic properties.

• A. least-reactive family of elements
• B. alkali metals
• C. halogen family of elements
• D. noble gases
• E. family whose oxides form acids in water

Answer 1

The correct option is C halogen family of elements

Elements of halogen family are in colored gaseous state, in liquid state and with metallic properties.
At room temperature, fluorine and chlorine are gases, bromine is a liquid and iodine is a solid.
The colours of fluorine, chlorine, bromine and iodine are yellow, greenish yellow, red and violet.
Iodine has metallic luster.