halogens

halogens

what are they?

halogens are five non-metallic elements found in group 17 of the periodic table.

where can you find them?

They can be found in halide salts and in the ocean.

what are they used for?

fluoride is used for toothpaste

chlorine is used as a disinfectant

iodine is used for the functioning of the thyroid gland