【How-to】Why are there only 7 diatomic molecules

So our Mnemonic is: Have No Fear Of Ice Cold pint. So these are our seven diatomic elements: Hydrogen, Nitrogen, Flourine, Oxygen, Iodine, Chlorine, Iodine, and Bromine. And what I particularly like about this mnemonic is you’ll notice that ice is a solid, and pint is a liquid.