Respuesta :
The 7 diatomic molecules are Iodine, Bromine, Chlorine, Fluorine, Oxygen, Nitrogen, and Hydrogen.
Answer is: nitrogen(N₂), oxygen(O₂), hydrogen(H₂), carbon monoxide(CO), calcium oxide(CaO), hydrogen chloride(HCl), sodium hydride(NaH).
Diatomic molecules are molecules made of two atoms.
They can be homonuclear (molecule made of two atoms of the same element) and heteronuclear (molecule made of two different atoms).