Proton - Revision history

Jmdonev: 1 revision imported

2026-07-02T20:55:24Z

1 revision imported

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energy>Jmdonev at 02:55, 5 June 2026

2026-06-05T02:55:43Z

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	[[Category:Done ~~2021~~-01~~-31~~]]		[[Category:Done 2026-07-01]]
	[[category:Phets]]		[[category:Phets]]
			[[Category:Translated to Spanish]]
			[[es:Protón]]
	[[File:Nuclear force.png\|350px\|thumbnail\|Figure 1. The electrical force pushing protons apart and the strong force acting on both protons and neutrons inside a nucleus.<ref>Prof. Matt Strassler [Online]. Available: http://profmattstrassler.com/articles-and-posts/particle-physics-basics/the-structure-of-matter/the-nuclei-of-atoms-at-the-heart-of-matter/what-holds-nuclei-together/ [Accessed on 24 October 2014]. </ref>]]		[[File:Nuclear force.png\|350px\|thumbnail\|Figure 1. The electrical force pushing protons apart and the strong force acting on both protons and neutrons inside a nucleus.<ref>Prof. Matt Strassler [Online]. Available: http://profmattstrassler.com/articles-and-posts/particle-physics-basics/the-structure-of-matter/the-nuclei-of-atoms-at-the-heart-of-matter/what-holds-nuclei-together/ [Accessed on 24 October 2014]. </ref>]]

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	==Phet: Build a Nucleus==		==Phet: Build a Nucleus==
	The [[who we are\|Energy education team]] ~~has adapted the following simulation from~~ the [https://phet.colorado.edu/ University of Colorado]~~. This~~ simulation shows how neutrons and protons sit in [[energy level]]s and [[Nuclear shell model\|make up the nucleus]]. The number of neutrons and protons maintain particular ratios for the nucleus to be stable.		The [[who we are\|Energy education team]] worked with the [https://phet.colorado.edu/ University of Colorado] to develop this simulation which shows how neutrons and protons sit in [[energy level]]s and [[Nuclear shell model\|make up the nucleus]]. The number of neutrons and protons maintain particular ratios for the nucleus to be stable.

	<html><iframe src="https://~~energyeducation~~.ca/~~simulations~~/build-a-nucleus/build-a-~~nucleus_en~~.html" width="816" height="459"></iframe></html>		<html><iframe src="https://phet.colorado.edu/sims/html/build-a-nucleus/latest/build-a-nucleus_all.html" width="816" height="459"></iframe></html>

	==For Further Reading==		==For Further Reading==

Jmdonev: 1 revision imported

2021-10-15T19:13:38Z

1 revision imported

← Older revision	Revision as of 19:13, 15 October 2021
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energy>Jmdonev at 18:46, 27 May 2021

2021-05-27T18:46:09Z

← Older revision		Revision as of 18:46, 27 May 2021
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	[[Category:Done ~~2018~~-07-20]] [[category:Phets]]		[[Category:Done 2021-01-31]]
	[[File:Nuclear force.png\|350px\|thumbnail\|Figure 1. The electrical force pushing protons apart and the strong force acting on both protons and neutrons inside a nucleus<ref>Prof. Matt Strassler [Online]. Available: http://profmattstrassler.com/articles-and-posts/particle-physics-basics/the-structure-of-matter/the-nuclei-of-atoms-at-the-heart-of-matter/what-holds-nuclei-together/ [Accessed on 24 October 2014]. </ref>]]		[[category:Phets]]
			[[File:Nuclear force.png\|350px\|thumbnail\|Figure 1. The electrical force pushing protons apart and the strong force acting on both protons and neutrons inside a nucleus.<ref>Prof. Matt Strassler [Online]. Available: http://profmattstrassler.com/articles-and-posts/particle-physics-basics/the-structure-of-matter/the-nuclei-of-atoms-at-the-heart-of-matter/what-holds-nuclei-together/ [Accessed on 24 October 2014]. </ref>]]

	<onlyinclude>'''Protons''' are the positively [[charge]]d particles that are inside the [[nucleus]] of an [[atom]].</onlyinclude>The protons are pushed apart by the [[electromagnetic force]] but pulled together by the [[strong force]], which is stronger over short distances (these distances are about a [[meter\|fm]] or 10<sup>-15</sup> m). Protons are incredibly small, about 10<sup>-15</sup> [[meter\|m]], 10,000x smaller than an atom!<ref>"Quantum Diaries", Quantumdiaries.org, 2018. [Online]. Available: https://www.quantumdiaries.org/2010/07/12/the-size-of-the-proton/. [Accessed: 12- Jun- 2018].</ref> ~~Please see [[size of the universe]] for some online demonstrations to show this scale.~~ Despite their incredibly small size, protons push against each other with tremendous forces, about 100 [[newton\|N]], comparable to the weight of a small dog!		<onlyinclude>'''Protons''' are the positively [[charge]]d particles that are inside the [[nucleus]] of an [[atom]].</onlyinclude> The protons are pushed apart by the [[electromagnetic force]] but pulled together by the [[strong force]], which is stronger over short distances (these distances are about a [[meter\|fm]] or 10<sup>-15</sup> m). Protons are incredibly small, about 10<sup>-15</sup> [[meter\|m]], 10,000x smaller than an atom!<ref>"Quantum Diaries", Quantumdiaries.org, 2018. [Online]. Available: https://www.quantumdiaries.org/2010/07/12/the-size-of-the-proton/. [Accessed: 12- Jun- 2018].</ref> Despite their incredibly small size, protons push against each other with tremendous forces, about 100 [[newton\|N]], comparable to the weight of a small dog!

	~~The charge on a proton is exactly equal and opposite to the charge on an~~ [[~~electron~~]]~~. Therefore, the number of electrons in a neutral atom is always equal~~ to the ~~number~~ of protons (see the bottom of the page for a PhET simulation about that). Protons are made of smaller particles called [http://profmattstrassler.com/articles-and-posts/particle-physics-basics/the-known-apparently-elementary-particles/ quarks] (or see [http://hyperphysics.phy-astr.gsu.edu/hbase/particles/quark.html#c1 hyperphysics]), which also make up [[neutron]]s.		''Please see [[size of the universe]] for some online demonstrations to show the scale of protons.''

	The number of protons in a nucleus is called the [[atomic number]], and this number determines ~~what~~ [[element]] an atom is. In other words, changing the proton number changes the element. This number of protons (atomic number) changes when a nucleus undergoes [[beta decay]] or [[alpha decay]] in any of its various forms.<ref>"17.3: Types of Radioactivity: Alpha, Beta, and Gamma Decay - Chemistry LibreTexts", Chem.libretexts.org, 2018. [Online]. Available: https://chem.libretexts.org/Textbook_Maps/Introductory_Chemistry/Map%3A_Introductory_Chemistry_(Tro)/17%3A_Radioactivity_and_Nuclear_Chemistry/17.03%3A_Types_of_Radioactivity%3A_Alpha%2C_Beta%2C_and_Gamma_Decay. [Accessed: 12- Jun- 2018].</ref> The difficulty with changing the number of protons in a nucleus on purpose is why alchemy (the medieval practice of trying to turn lead into gold) failed for so long!		The charge on a proton is exactly equal and opposite to the charge on an [[electron]]. Therefore, the number of electrons in a neutral atom is always equal to the number of protons (click [[Atom#Phet: Build an Atom\|here]] for a Phet simulation about that). Protons are made of smaller particles called [http://profmattstrassler.com/articles-and-posts/particle-physics-basics/the-known-apparently-elementary-particles/ quarks] (or see [http://hyperphysics.phy-astr.gsu.edu/hbase/particles/quark.html#c1 hyperphysics] for more on quarks), which also make up [[neutron]]s.

			The number of protons in a nucleus is called the [[atomic number]], and this number determines the [[element]] an atom is. In other words, changing the proton number changes the element. This number of protons (the atomic number) changes when a nucleus undergoes [[beta decay]] or [[alpha decay]] in any of its various forms.<ref>"17.3: Types of Radioactivity: Alpha, Beta, and Gamma Decay - Chemistry LibreTexts", Chem.libretexts.org, 2018. [Online]. Available: https://chem.libretexts.org/Textbook_Maps/Introductory_Chemistry/Map%3A_Introductory_Chemistry_(Tro)/17%3A_Radioactivity_and_Nuclear_Chemistry/17.03%3A_Types_of_Radioactivity%3A_Alpha%2C_Beta%2C_and_Gamma_Decay. [Accessed: 12- Jun- 2018].</ref> The difficulty with changing the number of protons in a nucleus on purpose is why alchemy (which is the medieval practice of trying to turn lead into gold) failed for so long!

	To learn more about protons please see [http://profmattstrassler.com/articles-and-posts/largehadroncolliderfaq/whats-a-proton-anyway/ What's a proton] by Prof. Matt Strassler or [http://hyperphysics.phy-astr.gsu.edu/hbase/particles/proton.html#c1 hyperphysics].		To learn more about protons please see [http://profmattstrassler.com/articles-and-posts/largehadroncolliderfaq/whats-a-proton-anyway/ What's a proton] by Prof. Matt Strassler or [http://hyperphysics.phy-astr.gsu.edu/hbase/particles/proton.html#c1 hyperphysics].

	==~~PhET~~: Build ~~an Atom~~==		==Phet: Build a Nucleus==
	The [https://phet.colorado.edu/ University of Colorado] ~~has graciously allowed us to use the following PhET simulation~~. This simulation ~~builds atoms from protons,~~ neutrons, and ~~electrons~~ and ~~tests knowledge of~~ the ~~periodic table~~. The ~~simulation shows how the~~ neutrons and protons ~~must balance~~ for the nucleus to be stable.		The [[who we are\|Energy education team]] has adapted the following simulation from the [https://phet.colorado.edu/ University of Colorado]. This simulation shows how neutrons and protons sit in [[energy level]]s and [[Nuclear shell model\|make up the nucleus]]. The number of neutrons and protons maintain particular ratios for the nucleus to be stable.

	<html><iframe src="https://~~phet~~.~~colorado.edu~~/~~sims/html~~/build-an-~~atom/latest~~/build-an-~~atom_en~~.html" width="816" height="459"></iframe></html>		<html><iframe src="https://energyeducation.ca/simulations/build-a-nucleus/build-a-nucleus_en.html" width="816" height="459"></iframe></html>

	==For Further Reading==		==For Further Reading==

Jmdonev: 1 revision imported

2018-07-21T01:12:58Z

1 revision imported

← Older revision	Revision as of 01:12, 21 July 2018
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Jmdonev at 17:10, 17 July 2018

2018-07-17T17:10:07Z

← Older revision		Revision as of 17:10, 17 July 2018
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	[[Category:Done 2018-06-15]] [[category:Phets]]		[[Category:Done 2018-07-20]] [[category:Phets]]
	[[File:Nuclear force.png\|350px\|thumbnail\|Figure 1. The electrical force pushing protons apart and the strong force acting on both protons and neutrons inside a nucleus<ref>Prof. Matt Strassler [Online]. Available: http://profmattstrassler.com/articles-and-posts/particle-physics-basics/the-structure-of-matter/the-nuclei-of-atoms-at-the-heart-of-matter/what-holds-nuclei-together/ [Accessed on 24 October 2014]. </ref>]]		[[File:Nuclear force.png\|350px\|thumbnail\|Figure 1. The electrical force pushing protons apart and the strong force acting on both protons and neutrons inside a nucleus<ref>Prof. Matt Strassler [Online]. Available: http://profmattstrassler.com/articles-and-posts/particle-physics-basics/the-structure-of-matter/the-nuclei-of-atoms-at-the-heart-of-matter/what-holds-nuclei-together/ [Accessed on 24 October 2014]. </ref>]]

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	==PhET: Build an Atom==		==PhET: Build an Atom==
	The [~~http~~://phet.colorado.edu/ University of Colorado] has graciously allowed us to use the following PhET simulation. This simulation builds atoms from protons, neutrons, and electrons and tests knowledge of the periodic table. The simulation shows how the neutrons and protons must balance for the nucleus to be stable.		The [https://phet.colorado.edu/ University of Colorado] has graciously allowed us to use the following PhET simulation. This simulation builds atoms from protons, neutrons, and electrons and tests knowledge of the periodic table. The simulation shows how the neutrons and protons must balance for the nucleus to be stable.

	<html><iframe src="https://phet.colorado.edu/sims/html/build-an-atom/latest/build-an-atom_en.html" width="816" height="459"></iframe></html>		<html><iframe src="https://phet.colorado.edu/sims/html/build-an-atom/latest/build-an-atom_en.html" width="816" height="459"></iframe></html>

Jmdonev at 05:14, 27 June 2018

2018-06-27T05:14:30Z

← Older revision		Revision as of 05:14, 27 June 2018
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	The [http://phet.colorado.edu/ University of Colorado] has graciously allowed us to use the following PhET simulation. This simulation builds atoms from protons, neutrons, and electrons and tests knowledge of the periodic table. The simulation shows how the neutrons and protons must balance for the nucleus to be stable.		The [http://phet.colorado.edu/ University of Colorado] has graciously allowed us to use the following PhET simulation. This simulation builds atoms from protons, neutrons, and electrons and tests knowledge of the periodic table. The simulation shows how the neutrons and protons must balance for the nucleus to be stable.

	<html><iframe src="~~http~~://phet.colorado.edu/sims/html/build-an-atom/latest/build-an-atom_en.html" width="816" height="459"></iframe></html>		<html><iframe src="https://phet.colorado.edu/sims/html/build-an-atom/latest/build-an-atom_en.html" width="816" height="459"></iframe></html>

	==For Further Reading==		==For Further Reading==

Jmdonev: 1 revision imported

2018-06-25T14:30:30Z

1 revision imported

← Older revision	Revision as of 14:30, 25 June 2018
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Jmdonev at 17:21, 13 June 2018

2018-06-13T17:21:09Z

← Older revision		Revision as of 17:21, 13 June 2018
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	[[Category:Done ~~2015~~-02-15]] [[category:Phets~~]] [[Category: Needs citations~~]]		[[Category:Done 2018-06-15]] [[category:Phets]]
	[[File:Nuclear force.png\|350px\|thumbnail\|Figure 1. The electrical force pushing protons apart and the strong force acting on both protons and neutrons inside a nucleus<ref>Prof. Matt Strassler [Online]. Available: http://profmattstrassler.com/articles-and-posts/particle-physics-basics/the-structure-of-matter/the-nuclei-of-atoms-at-the-heart-of-matter/what-holds-nuclei-together/ [Accessed on 24 October 2014]. </ref>]]		[[File:Nuclear force.png\|350px\|thumbnail\|Figure 1. The electrical force pushing protons apart and the strong force acting on both protons and neutrons inside a nucleus<ref>Prof. Matt Strassler [Online]. Available: http://profmattstrassler.com/articles-and-posts/particle-physics-basics/the-structure-of-matter/the-nuclei-of-atoms-at-the-heart-of-matter/what-holds-nuclei-together/ [Accessed on 24 October 2014]. </ref>]]

	<onlyinclude>'''Protons''' are the positively [[charge]]d particles that are inside the [[nucleus]] of an [[atom]].</onlyinclude>The protons are pushed apart by the [[electromagnetic force]] but pulled together by the [[strong force]], which is stronger over short distances (these distances are about a [[meter\|fm]] or 10<sup>-15</sup> m). Protons are incredibly small, about 10<sup>-15</sup> [[meter\|m]], 10,000x smaller than an atom! Please see [[size of the universe]] for some online demonstrations to show this scale. Despite their incredibly small size, protons push against each other with tremendous forces, about 100 [[newton\|N]], comparable to the weight of a small dog!		<onlyinclude>'''Protons''' are the positively [[charge]]d particles that are inside the [[nucleus]] of an [[atom]].</onlyinclude>The protons are pushed apart by the [[electromagnetic force]] but pulled together by the [[strong force]], which is stronger over short distances (these distances are about a [[meter\|fm]] or 10<sup>-15</sup> m). Protons are incredibly small, about 10<sup>-15</sup> [[meter\|m]], 10,000x smaller than an atom!<ref>"Quantum Diaries", Quantumdiaries.org, 2018. [Online]. Available: https://www.quantumdiaries.org/2010/07/12/the-size-of-the-proton/. [Accessed: 12- Jun- 2018].</ref> Please see [[size of the universe]] for some online demonstrations to show this scale. Despite their incredibly small size, protons push against each other with tremendous forces, about 100 [[newton\|N]], comparable to the weight of a small dog!

	The charge on a proton is exactly equal and opposite to the charge on an [[electron]]. So the number of electrons in a neutral atom is always equal to the number of protons (see the bottom of the page for a PhET simulation about that). Protons are ~~made~~ made of smaller particles called [http://profmattstrassler.com/articles-and-posts/particle-physics-basics/the-known-apparently-elementary-particles/ quarks] (or see [http://hyperphysics.phy-astr.gsu.edu/hbase/particles/quark.html#c1 hyperphysics]), which also make up [[neutron]]s.		The charge on a proton is exactly equal and opposite to the charge on an [[electron]]. Therefore, the number of electrons in a neutral atom is always equal to the number of protons (see the bottom of the page for a PhET simulation about that). Protons are made of smaller particles called [http://profmattstrassler.com/articles-and-posts/particle-physics-basics/the-known-apparently-elementary-particles/ quarks] (or see [http://hyperphysics.phy-astr.gsu.edu/hbase/particles/quark.html#c1 hyperphysics]), which also make up [[neutron]]s.

	The number of protons in a nucleus is called the [[atomic number]], and this number determines what [[element]] an atom is. In other words, changing the proton number changes the element. This number of protons (atomic number) changes when a nucleus undergoes [[beta decay]] in any of its various forms, or [[~~alpha decay]~~]. The difficulty with changing the number of protons in a nucleus on purpose is why alchemy (the medieval practice of trying to turn lead into gold) failed for so long!		The number of protons in a nucleus is called the [[atomic number]], and this number determines what [[element]] an atom is. In other words, changing the proton number changes the element. This number of protons (atomic number) changes when a nucleus undergoes [[beta decay]] or [[alpha decay]] in any of its various forms.<ref>"17.3: Types of Radioactivity: Alpha, Beta, and Gamma Decay - Chemistry LibreTexts", Chem.libretexts.org, 2018. [Online]. Available: https://chem.libretexts.org/Textbook_Maps/Introductory_Chemistry/Map%3A_Introductory_Chemistry_(Tro)/17%3A_Radioactivity_and_Nuclear_Chemistry/17.03%3A_Types_of_Radioactivity%3A_Alpha%2C_Beta%2C_and_Gamma_Decay. [Accessed: 12- Jun- 2018].</ref> The difficulty with changing the number of protons in a nucleus on purpose is why alchemy (the medieval practice of trying to turn lead into gold) failed for so long!

	To learn more about protons please see [http://profmattstrassler.com/articles-and-posts/largehadroncolliderfaq/whats-a-proton-anyway/ What's a proton] by Prof. Matt Strassler or [http://hyperphysics.phy-astr.gsu.edu/hbase/particles/proton.html#c1 hyperphysics].		To learn more about protons please see [http://profmattstrassler.com/articles-and-posts/largehadroncolliderfaq/whats-a-proton-anyway/ What's a proton] by Prof. Matt Strassler or [http://hyperphysics.phy-astr.gsu.edu/hbase/particles/proton.html#c1 hyperphysics].
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	<html><iframe src="http://phet.colorado.edu/sims/html/build-an-atom/latest/build-an-atom_en.html" width="816" height="459"></iframe></html>		<html><iframe src="http://phet.colorado.edu/sims/html/build-an-atom/latest/build-an-atom_en.html" width="816" height="459"></iframe></html>

			==For Further Reading==
			*[[Atom]]
			*[[Electron]]
			*[[Neutron]]
			*[[Nucleus]]
			*[[Electromagnetic force]]
			*[[Alpha decay]] and [[Beta decay]]

	==References==		==References==
	{{reflist}}		{{reflist}}
	[[Category:Uploaded]]		[[Category:Uploaded]]

J.williams: 1 revision imported

2015-08-26T21:31:33Z

1 revision imported

← Older revision	Revision as of 21:31, 26 August 2015
(No difference)