From d2e8921245f569f2b82e36eef7a3cd13d5cb26b0 Mon Sep 17 00:00:00 2001 From: john ruina Date: Wed, 5 Aug 2026 19:33:54 -0400 Subject: [PATCH] physics -2 --- .obsidian/workspace.json | 252 +++++++-------------------------- Kinetic and Static Friction.md | 6 + chemistry/polyatomic ions 1.md | 77 ---------- chemistry/polyatomic ions.md | 79 ++++++++++- 4 files changed, 128 insertions(+), 286 deletions(-) create mode 100644 Kinetic and Static Friction.md delete mode 100644 chemistry/polyatomic ions 1.md diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json index 65e8558..0e52679 100644 --- a/.obsidian/workspace.json +++ b/.obsidian/workspace.json @@ -1,189 +1,49 @@ { "main": { - "id": "1d60a9785f69aac9", + "id": "14e3fd988d4c6907", "type": "split", "children": [ { - "id": "89712ed8944716a6", + "id": "afdb20ea5624f6c9", "type": "tabs", "children": [ { - "id": "84f271ce812cecdd", + "id": "41376d46a88f5cac", "type": "leaf", "state": { "type": "markdown", "state": { - "file": "biology/biology.md", + "file": "chemistry/polyatomic ions.md", "mode": "source", "source": false }, "icon": "lucide-file", - 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-**"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- | \ No newline at end of file diff --git a/chemistry/polyatomic ions.md b/chemistry/polyatomic ions.md index ed8d3b7..4b1717d 100644 --- a/chemistry/polyatomic ions.md +++ b/chemistry/polyatomic ions.md @@ -1,12 +1,81 @@ -[[Matter and Chemical Bonding]] +[[chemistry]] -add or remove valence e according to charge +**"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" 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) -$po_4^{-3}$ +| **Name** | **Formula** | +| ---------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | +| **Polyatomic ions (carrying negative charge)** | | +| Hydroxide | OH [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)



– | +| 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 | HCO 3– | +| Carbonate | CO3 2- | +| Sulphate | SO4 2- | +| Sulphite | SO3 2- | +| Oxalate | C2O4 2- | +| Silicate | SiO3 2- | +| Manganate | MnO4 2- | +| Thiosulphate | S2O3 2- | +| Chromate | CrO4 2- | +| Dichromate | Cr2O7 2- | +| Phosphate | PO4 3- | +| Phosphite | PO3 3- | +| Aluminate | AlO3 3- | +| Arsenite | AsO3 3- | +| Arsenate | AsO4 3- | +| Borate | BO3 3- | +| Pyrophosphate | P2O7 4- | +| **Polyatomic ions (carrying positive charge)** | | +| Ammonium | NH 4+ | +## 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- | \ No newline at end of file