Halogens

What is the atomic number of chlorine?

17

Which halogen is a liquid at room temperature?

Bromine

Which halogen has the highest electronegativity?

Fluorine

Which halogen is commonly used as a disinfectant?

Chlorine

Which halogen is used in fluorescent lights?

Iodine

Which halogen is a black solid at room temperature?

Iodine

Which halogen has the lowest melting point?

Bromine

Which halogen is commonly used in water treatment?

Bromine

Chlorine

Fluorine

Which halogen has the highest boiling point?

Iodine

Which halogen is commonly used in photography?

Iodine