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chem july 17

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john ruina
2026-07-18 13:18:29 -04:00
parent a1242caab7
commit 28ebb35123
7 changed files with 39 additions and 218 deletions
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.obsidian/workspace.json
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chemistry/bonds.md
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@@ -1 +1,4 @@
[[Matter and Chemical Bonding]]
covalents are sharing
ionics are giving
chemistry/chemical reactions.md
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@@ -0,0 +1 @@
[[chemistry]]
chemistry/electronegativity.md
+2
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@@ -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
chemistry/periodic table.md
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@@ -0,0 +1,4 @@
[[chemistry]]
periods are rows
groups are columns
chemistry/polar molecules.md
+2
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[[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
chemistry/polyatomic ions.md
+12
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@@ -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)
$po_4^{-3}$