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Can one species be a subset of another, if you change the time scale?

For example, can O_2 (with any electronic state) be considered a single species that breaks into more specific species if you shorten the time scale (singlet versus triplet)?

Or more simply, is an element a species, which then breaks into subspecies according to ionization?

Listing a number of such examples would be helpful in understanding that "species" is a more subtle and general concept than just atom, molecule, ion, or radical. 89.217.9.188 (talk) 00:37, 17 January 2015 (UTC)Reply

The Short description that I added is still a bit too long (see WP:SDSHORT). Please could somebody who understands chemistry produce a more pithy description — GhostInTheMachine ^{talk to me} 14:56, 20 September 2021 (UTC)Reply

@GhostInTheMachineDone? -Lemonaka‎ 06:02, 16 December 2023 (UTC)Reply

  This article was the subject of a Wiki Education Foundation-supported course assignment, between 8 January 2024 and 26 April 2024. Further details are available on the course page. Student editor(s): Wafflemaker02 (article contribs). Peer reviewers: Arstb14.

— Assignment last updated by UBC24 AT (talk) 22:23, 2 April 2024 (UTC)Reply

I am planning on improving the stub through these areas:

I will first begin with fixing the structure of the Wikipedia page. I will add a subheadings namely “classification” and place it with the information about supramolecular chemistry and molecular energy. Then I will add another subheading called “types of chemical species” and include the part of the examples of chemical species in it. I will also add some more information that details each type of chemical species.

Next, I will include citations for the claims that are not referenced with a reliable citation , that includes the information about supramolecular chemistry, molecular energy, and DNA. I will make sure the citations came from a wide variety of reliable and credible sources and include at least one primary source.

Finally, I will include images for the introduction and each subheadings. For the introduction I will include a chart that outlines all the different types of chemical species, including atoms, ions, molecules and molecular ions. For the subheading “types of chemical species” I will add a few image of the real life examples of chemical species. This includes a picture of salt to demonstrate ionic species, and argon to demonstrate an atomic species.

— Assignment last updated by UBC24 AT (talk) 22:07, 21 March 2024 (UTC)Reply