Hydrogen
Oxygen
Bromine
Iodine
Answer is Right!
Answer is Wrong!
The correct answer is C. Bromine.
Hydrogen (H2) is a gas at room temperature. Oxygen (O2) is also a gas at room temperature. Iodine (I2) is a solid at room temperature.
Bromine (Br2) is a liquid at room temperature. It is a reddish-brown liquid that is denser than water. It is also very corrosive and can cause skin burns.
Bromine is a member of the halogen group, which also includes fluorine, chlorine, and iodine. Halogens are highly reactive elements that form salts with metals. Bromine is used in a variety of industrial applications, including the production of dyes, pharmaceuticals, and pesticides. It is also used in some medical treatments, such as the treatment of thyroid disorders.