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Featured articleElectron is a featured article; it (or a previous version of it) has been identified as one of the best articles produced by the Wikipedia community. Even so, if you can update or improve it, please do so.
Main Page trophyThis article appeared on Wikipedia's Main Page as Today's featured article on November 21, 2009.
Article milestones
DateProcessResult
November 13, 2008Peer reviewReviewed
January 14, 2009Good article nomineeListed
January 18, 2009Featured article candidateNot promoted
April 22, 2009Peer reviewReviewed
August 30, 2009Featured article candidatePromoted
Current status: Featured article

Mass in kg?

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Shouldn't the mass display as 0.9ish rontograms? Kilograms feels like a very bad unit here Nilederg (talk) 19:35, 21 November 2023 (UTC)[reply]

Kg is the SI base unit of mass and therefore the preferred unit for this. Furthermore, "rontograms" are not as mathematically simple as the specification using powers. –Tobias (talk) 17:56, 18 November 2024 (UTC)[reply]

What is state of matter

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What is state of matter 176.35.254.138 (talk) 13:49, 17 December 2024 (UTC)[reply]

I added a wikilink to state of matter.  Done Johnjbarton (talk) 17:45, 17 December 2024 (UTC)[reply]

Charge: What is "negative one"?

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What a strange thing to say for the charge of the electron. I presume it means minus one (-1), in contrast to the charge of a proton which is plus 1 (+1) -- not "positive one". That too sounds daft. — Preceding unsigned comment added by 81.170.7.217 (talk) 12:37, 22 December 2024 (UTC)[reply]

Not sure what to say other than, if the phrase "negative one" sounds awkward or unnatural to you, that may be a problem rather specific to you. Remsense ‥  12:55, 22 December 2024 (UTC)[reply]

Ions are considered atoms too!

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The following 2nd sentence in the 2nd paragraph:

> "Their negative charge is balanced by the positive charge of protons in the nucleus, giving atoms their overall of neutral charge atoms."

is not universally true, because ions are also considered atoms but don't have balanced charges. One way to reword to make a true sentence would be:

> "Their negative charge is balanced by the positive charge of protons in the nucleus of neutral atoms." Em3rgent0rdr (talk) 01:08, 31 July 2025 (UTC)[reply]

I changed that sentence in a different way, please review. Johnjbarton (talk) 01:17, 31 July 2025 (UTC)[reply]
Much better, thanks! (I did just make a minor word order swap) Em3rgent0rdr (talk) 04:53, 6 August 2025 (UTC)[reply]
I looked at it over and over and came to the conclusion that it is best to introduce the word matter wave immediately as we start to talk about electrons in atoms. I realize this increases the reader's required level of comprehension...but I'm afraid there is no getting around having to say something about it being a wave. Em3rgent0rdr (talk) 05:29, 6 August 2025 (UTC)[reply]