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H2, N2, O2, F2, Cl2, Br2, I2, At2. when in pure form these elements can only exist as diatomic molecules
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Noble Gases. For example, Helium, Argon, Neon, Krypton,etc.
The seven elements that exist naturally as diatomic molecules include iodine, oxygen, hydrogen, and nitrogen. The other three are bromine, fluorine, and chlorine.
Many elements do not exist as diatomic molecules. Metals, like iron, copper, silver, lead, etc. Even some nonmetals, helium, argon, sulfur, etc. Only a few do exist as diatomi…c molecules, hydrogen, oxygen, nitrogen, chlorine, fluorine, bromine, and maybe astatine.
Cl: Chlorine O: Oxygen N: Nitrogen F: Fluorine Br: Bromine I: Iodine H: Hydrogen
H, N, O, F, Cl, Br, I and At exist as diatomic molecules.
Bromine, Iodine, Nitrogen, Chlorine, Hydrogen, Oxygen, Fluorine Remember: BrINClHOF (sounds like Brinklehoff) There are 7 elements that occur in nature as diatomic molecule…s. They are hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, and iodine. In equations for chemical reactions, they must be expressed as H2, N2, O2, F2, Cl2, Br2, and I2.
The noble gases -- He, Ne, Ar, Kr, and Xe -- have no twins. Metals don't form molecules. C2, Si2, and Ge2 don't exist either.
H O F Br I N Cl
Nitrogen and Helium are two.
Hydrogen, Nitrogen, Oxygen, Fluorine, Chlorine, Bromine, and Iodine all exist as diatomic molecules 1. phosphorus 2. water 3. iron 4. hydrogen 5. sulfur
Iodine (I), Bromine (Br), Chlorine (Cl), Florine (F), Oxygen (O), Nitrogen (N), and Hydrogen (H)...... A good way to remember them is ( I Bring Clay For Our New Home )...... I…,Br,Cl,F,O,N,H
No. helium is mono atomic
Most elements do not exist as diatomic molecules. Hydrogen, Nitrogen, Oxygen, Chlorine, Fluorine, Bromine, and Iodine do. The rest do not. There is a link below to an article… on diatomic molecules.
Excepting hydrogen, oxygen, nitrogen, chlorine, fluorine, bromine, iodine - all others elements.
:O:=:O: Standard form of oxygen. It's elemental and gaseous form. O2
Oxygen which is represented as O2 and Nitrogen which is represented as N2. There are more but those are the most apparent ones.