human
How many diatomic elements are there in the periodic table?
gpt
Hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, and iodine are the diatomic elements in the periodic table.
Explanation: Diatomic elements are those that exist as two atoms bonded together. Hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, and iodine all exist as diatomic molecules under normal conditions.