diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index f5aa3ff..9b51171 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -8,238 +8,33 @@
         "type": "tabs",
         "children": [
           {
-            "id": "ba6cb47b7ba630bb",
+            "id": "b33c506dcbc68764",
             "type": "leaf",
             "state": {
               "type": "markdown",
               "state": {
-                "file": "root.md",
+                "file": "chemistry/polyatomic ions.md",
                 "mode": "source",
                 "source": false
               },
               "icon": "lucide-file",
-              "title": "root"
-            }
-          },
-          {
-            "id": "442ae2a37667ea85",
-            "type": "leaf",
-            "state": {
-              "type": "markdown",
-              "state": {
-                "file": "kinesmatics.md",
-                "mode": "source",
-                "source": false
-              },
-              "icon": "lucide-file",
-              "title": "kinesmatics"
-            }
-          },
-          {
-            "id": "6640a76e80c86410",
-            "type": "leaf",
-            "state": {
-              "type": "empty",
-              "state": {},
-              "icon": "lucide-file",
-              "title": "New tab"
-            }
-          },
-          {
-            "id": "25903a35ae2c9954",
-            "type": "leaf",
-            "state": {
-              "type": "markdown",
-              "state": {
-                "file": "chemistry/chemistry.md",
-                "mode": "source",
-                "source": false
-              },
-              "icon": "lucide-file",
-              "title": "chemistry"
-            }
-          },
-          {
-            "id": "3a7ba039ba02a066",
-            "type": "leaf",
-            "state": {
-              "type": "markdown",
-              "state": {
-                "file": "chemistry/chemistry.md",
-                "mode": "source",
-                "source": false
-              },
-              "icon": "lucide-file",
-              "title": "chemistry"
-            }
-          },
-          {
-            "id": "02152825b6211fd4",
-            "type": "leaf",
-            "state": {
-              "type": "markdown",
-              "state": {
-                "file": "physics/physics.md",
-                "mode": "source",
-                "source": false
-              },
-              "icon": "lucide-file",
-              "title": "physics"
-            }
-          },
-          {
-            "id": "c301655c0efd7f1b",
-            "type": "leaf",
-            "state": {
-              "type": "markdown",
-              "state": {
-                "file": "chemistry/polar molecules.md",
-                "mode": "source",
-                "source": false
-              },
-              "icon": "lucide-file",
-              "title": "polar molecules"
-            }
-          },
-          {
-            "id": "b9ac0d845a505318",
-            "type": "leaf",
-            "state": {
-              "type": "markdown",
-              "state": {
-                "file": "math/calculus.md",
-                "mode": "source",
-                "source": false
-              },
-              "icon": "lucide-file",
-              "title": "calculus"
-            }
-          },
-          {
-            "id": "e8fd67d7666310aa",
-            "type": "leaf",
-            "state": {
-              "type": "markdown",
-              "state": {
-                "file": "math/vectors.md",
-                "mode": "source",
-                "source": false
-              },
-              "icon": "lucide-file",
-              "title": "vectors"
-            }
-          },
-          {
-            "id": "2208ee32ef662cca",
-            "type": "leaf",
-            "state": {
-              "type": "markdown",
-              "state": {
-                "file": "math/probability.md",
-                "mode": "source",
-                "source": false
-              },
-              "icon": "lucide-file",
-              "title": "probability"
-            }
-          },
-          {
-            "id": "37e50c41c8cf057d",
-            "type": "leaf",
-            "state": {
-              "type": "markdown",
-              "state": {
-                "file": "chemistry/vsepr.md",
-                "mode": "source",
-                "source": false
-              },
-              "icon": "lucide-file",
-              "title": "vsepr"
-            }
-          },
-          {
-            "id": "f3ee4157b69e2895",
-            "type": "leaf",
-            "state": {
-              "type": "markdown",
-              "state": {
-                "file": "chemistry/bonds.md",
-                "mode": "source",
-                "source": false
-              },
-              "icon": "lucide-file",
-              "title": "bonds"
-            }
-          },
-          {
-            "id": "b1d2e75610c39d5a",
-            "type": "leaf",
-            "state": {
-              "type": "markdown",
-              "state": {
-                "file": "chemistry/bonds.md",
-                "mode": "source",
-                "source": false
-              },
-              "icon": "lucide-file",
-              "title": "bonds"
-            }
-          },
-          {
-            "id": "e4b0203acb6719ce",
-            "type": "leaf",
-            "state": {
-              "type": "markdown",
-              "state": {
-                "file": "math/vectors.md",
-                "mode": "source",
-                "source": false
-              },
-              "icon": "lucide-file",
-              "title": "vectors"
-            }
-          },
-          {
-            "id": "8ee0ee2a65630636",
-            "type": "leaf",
-            "state": {
-              "type": "markdown",
-              "state": {
-                "file": "medical/medical.md",
-                "mode": "source",
-                "source": false
-              },
-              "icon": "lucide-file",
-              "title": "medical"
-            }
-          },
-          {
-            "id": "a1a5c58d2b4bf9c7",
-            "type": "leaf",
-            "state": {
-              "type": "markdown",
-              "state": {
-                "file": "medical/medical.md",
-                "mode": "source",
-                "source": false
-              },
-              "icon": "lucide-file",
-              "title": "medical"
+              "title": "polyatomic ions"
             }
           }
-        ],
-        "currentTab": 14
+        ]
       },
       {
-        "id": "eb3b666d9d89c663",
+        "id": "e2086dc1e5f9d385",
         "type": "tabs",
         "children": [
           {
-            "id": "ecb78d624b56a7aa",
+            "id": "ba6cb47b7ba630bb",
             "type": "leaf",
+            "pinned": true,
             "state": {
               "type": "graph",
               "state": {},
+              "pinned": true,
               "icon": "lucide-git-fork",
               "title": "Graph view"
             }
@@ -403,8 +198,14 @@
       "bases:Create new base": false
     }
   },
-  "active": "ecb78d624b56a7aa",
+  "active": "b33c506dcbc68764",
   "lastOpenFiles": [
+    "chemistry/polar molecules.md",
+    "chemistry/electronegativity.md",
+    "chemistry/bonds.md",
+    "chemistry/polyatomic ions.md",
+    "chemistry/periodic table.md",
+    "chemistry/chemical reactions.md",
     "medical/medical.md",
     "math.md",
     "biology",
@@ -414,20 +215,16 @@
     "root.md",
     "math/calculus.md",
     "chemistry/vsepr.md",
-    "chemistry/bonds.md",
     "math/probability.md",
-    "chemistry/polar molecules.md",
     "math/math.md",
     "math",
     "physics/physics.md",
-    "chemistry/electronegativity.md",
     "chemistry/chemistry.md",
     "chemistry/Stoichiometry.md",
     "chemistry/nomenclature.md",
     "chemistry/Matter and Chemical Bonding.md",
     "physics",
     "physics/constants.md",
-    "Untitled 1.md",
     "physics/random math shit i probably need to know.md",
     "physics/dynamics.md",
     "physics/kinesmatics formulas.md",
diff --git a/chemistry/bonds.md b/chemistry/bonds.md
index f53e4b7..b8ae070 100644
--- a/chemistry/bonds.md
+++ b/chemistry/bonds.md
@@ -1 +1,4 @@
 [[Matter and Chemical Bonding]]
+
+covalents are sharing
+ionics are giving
diff --git a/chemistry/chemical reactions.md b/chemistry/chemical reactions.md
new file mode 100644
index 0000000..f878025
--- /dev/null
+++ b/chemistry/chemical reactions.md	
@@ -0,0 +1 @@
+[[chemistry]]
diff --git a/chemistry/electronegativity.md b/chemistry/electronegativity.md
index f53e4b7..4cac56e 100644
--- a/chemistry/electronegativity.md
+++ b/chemistry/electronegativity.md
@@ -1 +1,3 @@
 [[Matter and Chemical Bonding]]
+how much attraction an element has to electrons
+when bonded things different in electronegativity is too high, one basically steals the electron from the other forming an ionic bond, and if it's in the middle then it's polar, and if the difference isnt large than the 2 play nice and share it with a covalent
diff --git a/chemistry/periodic table.md b/chemistry/periodic table.md
new file mode 100644
index 0000000..ea2c13e
--- /dev/null
+++ b/chemistry/periodic table.md	
@@ -0,0 +1,4 @@
+[[chemistry]]
+
+periods are rows
+groups are columns
\ No newline at end of file
diff --git a/chemistry/polar molecules.md b/chemistry/polar molecules.md
index d2c35df..5ea0bc7 100644
--- a/chemistry/polar molecules.md	
+++ b/chemistry/polar molecules.md	
@@ -1,2 +1,4 @@
 [[Matter and Chemical Bonding]]
+[[electronegativity]]
+
 when 2 bonding atoms have an $\Delta$ EN greater than 0.5 and less than 1.7, it's a polar covalent bond 
\ No newline at end of file
diff --git a/chemistry/polyatomic ions.md b/chemistry/polyatomic ions.md
new file mode 100644
index 0000000..ed8d3b7
--- /dev/null
+++ b/chemistry/polyatomic ions.md	
@@ -0,0 +1,12 @@
+[[Matter and Chemical Bonding]]
+
+add or remove valence e according to charge
+
+H stable at a duet 2d
+Be stable at a tetrad 4e
+B stable at a sextet 6e
+all other elements in pe 1 and 2 require octets 8e (common ball)
+per 3 and below can go above an octet (common ball)
+
+$po_4^{-3}$
+