chem 7/22 p2

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@@ -17,6 +17,6 @@
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.obsidian/workspace.json

@@ -83,12 +83,26 @@
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+                "file": "root.md",
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-              "title": "Stoichiometry"
+              "title": "root"
+            }
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+              "title": "polyatomic ions"
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@@ -120,7 +134,7 @@
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     "chemistry/state of matter.md",
@@ -325,9 +342,6 @@
     "physics/kinesmatics formulas.md",
     "math/quadratics.md",
     "chemistry/chemistry.md",
-    "chemistry/Matter and Chemical Bonding.md",
-    "chemistry/electronegativity.md",
-    "chemistry/polar molecules.md",
     "Pasted image 20260716183501.png",
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chemistry/Stoichiometry.md

@@ -2,4 +2,6 @@
 
 **"calculation of relative quantities of reactants and products in chemical reactions"**
 
-
+n=mole=conversion factor=$6.02*10^{23}$ things (atoms/ions/molecules/formulaunits/etc)
+1 pair = 2  things
+1 dozen = 12 things

polyatomic ions.md

@@ -0,0 +1,141 @@
+[[chemistry]]
+
+**"a charged chemical species composed of two or more atoms covalently bonded or of a metal complex, that can be considered to be acting as a single unit"
+
+|**Name**|**Formula**|
+|---|---|
+|**Polyatomic ions (carrying negative charge)**|   |
+|---|---|
+|Hydroxide|OH–|
+|---|---|
+|Acetate|CH3COO–|
+|---|---|
+|Cyanide|CN–|
+|---|---|
+|Chlorate|ClO3–|
+|---|---|
+|Chlorite|ClO2–|
+|---|---|
+|Nitrate|NO3–|
+|---|---|
+|Nitrite|NO2–|
+|---|---|
+|Hypochlorite|OCl–|
+|---|---|
+|Hypobromite|OBr –|
+|---|---|
+|Iodate|IO3–|
+|---|---|
+|Bisulphite|HSO3–|
+|---|---|
+|Bisulphate|HSO4–|
+|---|---|
+|Permanganate|MnO4–|
+|---|---|
+|Thiocyanate|SCN–|
+|---|---|
+|Hydrogen carbonate|HCO3–|
+|---|---|
+|Carbonate|CO32-|
+|---|---|
+|Sulphate|SO42-|
+|---|---|
+|Sulphite|SO32-|
+|---|---|
+|Oxalate|C2O42-|
+|---|---|
+|Silicate|SiO32-|
+|---|---|
+|Manganate|MnO42-|
+|---|---|
+|Thiosulphate|S2O32-|
+|---|---|
+|Chromate|CrO42-|
+|---|---|
+|Dichromate|Cr2O72-|
+|---|---|
+|Phosphate|PO43-|
+|---|---|
+|Phosphite|PO33-|
+|---|---|
+|Aluminate|AlO33-|
+|---|---|
+|Arsenite|AsO33-|
+|---|---|
+|Arsenate|AsO43-|
+|---|---|
+|Borate|BO33-|
+|---|---|
+|Pyrophosphate|P2O74-|
+|---|---|
+|**Polyatomic ions (carrying positive charge)**|   |
+|---|---|
+|Ammonium|NH4+|
+|---|---|
+
+## List of monatomic ions
+
+- The ions made of a single atom are called **simple ions or monatomic ions**.
+
+|**Name**|**Formula**|
+|---|---|
+|**Monatomic ions (carrying positive charge)**|   |
+|---|---|
+|Hydrogen|H+|
+|---|---|
+|Potassium|K+|
+|---|---|
+|Sodium|Na+|
+|---|---|
+|Silver|Ag+|
+|---|---|
+|Cuprous|Cu+|
+|---|---|
+|Aurous|Au+|
+|---|---|
+|Barium|Ba2+|
+|---|---|
+|Calcium|Ca2+|
+|---|---|
+|Magnesium|Mg2+|
+|---|---|
+|Cupric|Cu2+|
+|---|---|
+|Ferrous|Fe2+|
+|---|---|
+|Stannous|Sn2+|
+|---|---|
+|Mercuric|Hg2+|
+|---|---|
+|Zinc|Zn2+|
+|---|---|
+|Plumbous|Pb2+|
+|---|---|
+|Aluminum|Al3+|
+|---|---|
+|Ferric|Fe3+|
+|---|---|
+|Auric|Au3+|
+|---|---|
+|Arseneous|As3+|
+|---|---|
+|Plumbic|Pb4+|
+|---|---|
+|Stannic|Sn4+|
+|---|---|
+|**Monatomic ions (carrying negative charge)**|   |
+|---|---|
+|Chloride|Cl–|
+|---|---|
+|Bromide|Br –|
+|---|---|
+|Iodide|I–|
+|---|---|
+|Oxide|O2-|
+|---|---|
+|Sulphide|S2-|
+|---|---|
+|Nitride|N3-|
+|---|---|
+|Phosphide|P3-|
+|---|---|

root.md

@@ -0,0 +1 @@
+# the big **R**