Question

select all the diatomic elements that exist as gases at room temperature. multiple select question. halogens such as f2 and cl2 nitrogen and oxygen noble (or inert) gases hydrogen gas

Answer 1

The answer is:

Halogens such as F2 and Cl2

Hydrogen gas

Nitrogen and oxygen

Diatomic elements are seven unique molecules that are composed of two atoms. All of the elements in this elite group are gases. If we look at the prefix 'di-' in the word diatomic, it comes from the Greek origin of 'two.' Every molecule has its own unique molecular formula, and for diatomic elements, their formula always contains a subscript of 2, which represents two atoms in its structure. As an example, the diatomic element oxygen has a formula of $O_{2}$, meaning there are two separate oxygen atoms present.

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