What elements does not occur as a diatomic molecule?

Answer 1

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 diatomic molecules, hydrogen, oxygen, nitrogen, chlorine, fluorine, bromine, and maybe astatine.

Answer 2

Noble gases such as helium, neon, argon, krypton, xenon, and radon do not occur as diatomic molecules under normal conditions. They exist as monoatomic gases because they have already achieved a stable electronic configuration, so they do not need to form diatomic molecules to be stable.

Answer 3

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.

Answer 4

Noble Gases. For example, Helium, Argon, Neon, Krypton,etc.

Answer 5

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.

Answer 6

Helium, lithium, beryllium, just for a start.

Answer 7

all of the elements besides the following:H(hydrogen), O(oxygen), F(fluorine), Br(bromine), I(iodine), N(nitrogen), and Cl(chlorine).

Answer 8

Excepting hydrogen, oxygen, nitrogen, chlorine, fluorine, bromine, iodine - all others elements.

Answer 9

The vast majority do not. As an example, all metals exist as monatomic elements and not diatomic. In fact, it is far easier to state which atoms do exist as diatomic molecules.