https://qbase.texpertssolutions.com/index.php?action=history&feed=atom&title=Electrons 2026-06-15T09:28:24Z Revision history for this page on the wiki MediaWiki 1.43.1 https://qbase.texpertssolutions.com/index.php?title=Electrons&diff=44&oldid=prev 2025-05-22T08:10:22Z

<p><span class="autocomment">electrons – negatively charged particles in atoms</span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 08:10, 22 May 2025</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">= electrons – negatively charged particles in atoms =</del></div></td><td colspan="2" class="diff-side-added"></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2" class="diff-side-added"></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== what is an electron? ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== what is an electron? ==</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>An &#039;&#039;&#039;electron&#039;&#039;&#039; is a subatomic particle with a negative electric charge. Electrons are found in orbitals or energy levels surrounding the [[nucleus]] of an [[atom]].</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>An &#039;&#039;&#039;electron&#039;&#039;&#039; is a subatomic particle with a negative electric charge. Electrons are found in orbitals or energy levels surrounding the [[nucleus]] of an [[atom]].</div></td></tr> </table>

Thakshashila https://qbase.texpertssolutions.com/index.php?title=Electrons&diff=41&oldid=prev 2025-05-22T08:09:34Z

<p>Created page with &quot;= electrons – negatively charged particles in atoms = == what is an electron? == An &#039;&#039;&#039;electron&#039;&#039;&#039; is a subatomic particle with a negative electric charge. Electrons are found in orbitals or energy levels surrounding the <a href="/index.php/Nucleus" title="Nucleus">nucleus</a> of an <a href="/index.php/Atom" title="Atom">atom</a>. == basic properties == * symbol: e⁻ * charge: -1 * mass: ~1/1836 of a <a href="/index.php/Proton" title="Proton">proton</a> * location: outside the nucleus, in <a href="/index.php?title=Electron_shells&amp;action=edit&amp;redlink=1" class="new" title="Electron shells (page does not exist)">electron shells</a> == discovery == <a href="/index.php?title=J.j._thomson&amp;action=edit&amp;redlink=1" class="new" title="J.j. thomson (page does not exist)">j.j. thomson</a> discovered the electron in 1897 using catho...&quot;</p> <p><b>New page</b></p><div>= electrons – negatively charged particles in atoms =<br /> <br /> == what is an electron? ==<br /> An &#039;&#039;&#039;electron&#039;&#039;&#039; is a subatomic particle with a negative electric charge. Electrons are found in orbitals or energy levels surrounding the [[nucleus]] of an [[atom]].<br /> <br /> == basic properties ==<br /> * symbol: e⁻ <br /> * charge: -1 <br /> * mass: ~1/1836 of a [[proton]] <br /> * location: outside the nucleus, in [[electron shells]]<br /> <br /> == discovery ==<br /> [[j.j. thomson]] discovered the electron in 1897 using cathode ray tube experiments. This was the first subatomic particle ever identified.<br /> <br /> == role of electrons ==<br /> * Balance the charge of [[protons]] in atoms <br /> * Involved in all [[chemical reactions]] and [[bonding]] <br /> * Define the [[ion]] state of an atom (e.g., losing or gaining electrons) <br /> * Determine the [[electron configuration]] and properties of elements<br /> <br /> == electrons and chemical bonding ==<br /> Electrons in the outer shell (valence electrons) are key to:<br /> * [[covalent bonds]] <br /> * [[ionic bonds]] <br /> * [[metallic bonds]]<br /> <br /> == electron cloud model ==<br /> Instead of fixed orbits, modern quantum theory describes electrons as existing in a cloud of probabilities around the [[nucleus]].<br /> <br /> == see also ==<br /> * [[protons]] <br /> * [[neutrons]] <br /> * [[nucleus]] <br /> * [[electron configuration]] <br /> * [[valence electrons]] <br /> * [[j.j. thomson]]<br /> <br /> == disclaimer ==<br /> &#039;&#039;This article is intended for [[educational]] and [[academic]] use only and supports learning in chemistry and physics within a MediaWiki-based environment.&#039;&#039;</div>

Thakshashila