What are examples of chemical formulas representing a diatomic molecule?

Answer 1

Apart from the Noble Gases, ALL of the elemental gases are bimolecular..........

.........i.e. all of the elemental gases are diatomic molecules. Consider, #N_2#, #O_2#, #F_2#, and #Cl_2# ARE ALL diatomic gases.

With the exception of iodine, which is a gas, and bromine, which is a liquid, all halogens exist as diatomic molecules.

To reflect the molecularity, sometimes you will hear inorganic chemists refer to the bimolecular gases as #"dinitrogen"#, and #"dinitrogen"#.

Note that there also exist a number of heteronuclear diatomic molecules, e.g. #HX#, #NO#, #CO#...........

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Answer 2

Axel Alvarado

H2, N2, F2, Cl2, Br2, I2, O2, H2.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.