Seven diatomic elements are H₂, Cl₂, N₂, F₂, Br₂, I₂ and O₂.
Diatomic molecules are those molecules in which two atoms of same elements are present, and they are combined to attain the stability.
The seven diatomic molecules which are exist in the chemistry are:
Hence H₂, Cl₂, N₂, F₂, Br₂, I₂ and O₂ are 7 diatomic molecules.
To know more about diatomic molecules, visit the below link:
https://brainly.com/question/14466404
#SPJ1