diff --git a/education/chemistry/1.html b/education/chemistry/1.html
index 53b60c7..57935e2 100644
--- a/education/chemistry/1.html
+++ b/education/chemistry/1.html
@@ -2,7 +2,7 @@
 title: 1
 description: 
 published: true
-date: 2026-02-11T15:22:34.330Z
+date: 2026-02-11T15:23:20.876Z
 tags: 
 editor: ckeditor
 dateCreated: 2026-02-11T14:58:54.870Z
@@ -56,7 +56,6 @@ dateCreated: 2026-02-11T14:58:54.870Z
 <p>&nbsp;</p>
 <h3><span style="font-family:Arial, Helvetica, sans-serif;">Electronic arrangement</span></h3>
 <p><span style="font-family:Arial, Helvetica, sans-serif;">The maximum number of electron that a shell can hold is 2(n)<sup>2</sup></span></p>
-<p><span style="font-family:Arial, Helvetica, sans-serif;">For example, Cl-17,&nbsp;instead of written 2, 8, 7, we can write more clearly with 2, 2+6, 2+5, that is 1s<sup>2</sup> 2s<sup>2</sup> 2p<sup>6</sup> 3s<sup>2</sup> 3p<sup>5</sup></span></p>
 <p>&nbsp;</p>
 <figure class="table">
   <table>
@@ -87,6 +86,7 @@ dateCreated: 2026-02-11T14:58:54.870Z
 <p>&nbsp;</p>
 <h3><span style="font-family:Arial, Helvetica, sans-serif;">Electronic configuration</span></h3>
 <p><span style="font-family:Arial, Helvetica, sans-serif;">There are subshells inside the shell.</span></p>
+<p><span style="font-family:Arial, Helvetica, sans-serif;">For example, Cl-17,&nbsp;instead of written 2, 8, 7, we can write more clearly with 2, 2+6, 2+5, that is 1s<sup>2</sup> 2s<sup>2</sup> 2p<sup>6</sup> 3s<sup>2</sup> 3p<sup>5</sup></span></p>
 <p>&nbsp;</p>
 <figure class="table">
   <table>