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      <title>bcardoso</title>
      <link>https://bcardoso.com</link>
      <description>Last 10 notes on bcardoso</description>
      <item>
    <title>ADHD</title>
    <link>https://bcardoso.com/health/adhd</link>
    <guid>https://bcardoso.com/health/adhd</guid>
    <description><![CDATA[ Attention-Deficit/Hyperactivity Disorder Sleep ADHD is strongly linked with sleep problems/disorders racing thoughts and late night energy interfere with falling asleep irregular internal clock/circadian rhythm, leading to inconsistent sleep schedule snoring and sleep apnea, leading to disturbed sle... ]]></description>
    <pubDate>Sat, 11 Apr 2026 12:50:03 GMT</pubDate>
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    <title>Movie Night</title>
    <link>https://bcardoso.com/other/movie-night</link>
    <guid>https://bcardoso.com/other/movie-night</guid>
    <description><![CDATA[ Monthly (🤞) movie night with my doggies. Started during COVID-19 lockdowns. ]]></description>
    <pubDate>Sat, 11 Apr 2026 00:08:11 GMT</pubDate>
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    <title>Atomic Models</title>
    <link>https://bcardoso.com/science/atomic-models</link>
    <guid>https://bcardoso.com/science/atomic-models</guid>
    <description><![CDATA[  representations of atoms to help visualize atomic structure, and explain/predict the behaviour of atoms every model sacrifices some accuracy for simplicity, visibility, or usability Khan Academy, CC BY-NC-SA 3.0 The Bohr model Bohr model of various atoms. ]]></description>
    <pubDate>Fri, 10 Apr 2026 03:44:14 GMT</pubDate>
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    <title>Electron Configuration</title>
    <link>https://bcardoso.com/science/electron-configuration</link>
    <guid>https://bcardoso.com/science/electron-configuration</guid>
    <description><![CDATA[ How are electrons arranged? the first energy level (closest to the nucleus) holds a maximum of two electrons the second energy level holds a maximum of eight electrons electrons are paired in twos, this represents the filling of orbitals each energy level has different orbitals, and each orbital can... ]]></description>
    <pubDate>Fri, 10 Apr 2026 03:44:14 GMT</pubDate>
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    <title>Periodic Table</title>
    <link>https://bcardoso.com/science/periodic-table</link>
    <guid>https://bcardoso.com/science/periodic-table</guid>
    <description><![CDATA[ Periods, groups, and blocks Khan Academy, CC BY-NC-SA 3.0 useful for quickly determining an atom’s electron configuration Period row in the periodic table each element in a period has the same number of shells Group column in the periodic table each element has the same number of valence electrons B... ]]></description>
    <pubDate>Fri, 10 Apr 2026 03:44:14 GMT</pubDate>
  </item><item>
    <title>Lewis Diagrams</title>
    <link>https://bcardoso.com/science/lewis-diagrams</link>
    <guid>https://bcardoso.com/science/lewis-diagrams</guid>
    <description><![CDATA[  Lewis Diagrams are a simplified model of atoms and ions that show only valence elections shorthand for chemists to help visualize and predict how atoms will behave in chemical reactions the number of dots in a Lewis Diagram is equal to the number of valence electrons and the group number for main g... ]]></description>
    <pubDate>Thu, 09 Apr 2026 03:13:21 GMT</pubDate>
  </item><item>
    <title>Valence Electron</title>
    <link>https://bcardoso.com/science/valence-electron</link>
    <guid>https://bcardoso.com/science/valence-electron</guid>
    <description><![CDATA[  Bohr model of a chlorine atom. Valence electrons are shown in red and core electrons are shown in black. ]]></description>
    <pubDate>Thu, 09 Apr 2026 03:13:21 GMT</pubDate>
  </item><item>
    <title>Atom</title>
    <link>https://bcardoso.com/science/atom</link>
    <guid>https://bcardoso.com/science/atom</guid>
    <description><![CDATA[ Atomic structure visualized by various atomic models composed of subatomic particles: protons, neutrons, electrons nucleus dense center of the atom contains protons and neutrons holds most of the atom’s mass electron cloud (see electron cloud model) where electrons are likely to be found makes up mo... ]]></description>
    <pubDate>Thu, 09 Apr 2026 02:16:35 GMT</pubDate>
  </item><item>
    <title>Atomic Spectra</title>
    <link>https://bcardoso.com/science/atomic-spectra</link>
    <guid>https://bcardoso.com/science/atomic-spectra</guid>
    <description><![CDATA[  atoms can receive external energy via heat, electricity, and/or EM radiation (light/photons) when an electron absorbs a photon with energy equal to the difference between its current energy level and another, it enters an excited state and transitions to the higher energy level 1 if the energy is t... ]]></description>
    <pubDate>Thu, 09 Apr 2026 02:16:35 GMT</pubDate>
  </item><item>
    <title>Electromagnetic Spectrum</title>
    <link>https://bcardoso.com/science/electromagnetic-spectrum</link>
    <guid>https://bcardoso.com/science/electromagnetic-spectrum</guid>
    <description><![CDATA[  radiation is energy travelling through space it interacts with matter, how it interacts depends on the type of radiation and the type of matter Electromagnetic radiation electromagnetic (EM) radiation is energy transferred by oscillations in the electromagnetic field it has both wave and particle p... ]]></description>
    <pubDate>Thu, 09 Apr 2026 02:16:35 GMT</pubDate>
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