Mnemonic Devices > Chemistry > Diatomic Molecules
Diatomic Molecules
The elements Hydrogen, Nitrogen, Fluorine, Oxygen, Iodine, Chlorine, and Bromine are always found as diatomic molecules:
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HNFOIClBr
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HONClFIBr (say HONKLE-fibber)
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BrINClHOF (say Brinckle-hoff)
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Have No Fear Of Ice Cold Beer
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Never Have Fear Of Ice Cold Beer
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I Have No Bright Or Clever Friends
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ClIF H Bron
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HOFBrINCl Twins (twins because they exist in pairs)
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There are seven such elements. The first one is the first element Hydrogen; the rest form a 7 on the periodic table: N, O, F across, then going down Cl, Br, I.
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