obsidianvault/chemistry/polyatomic ions.md

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}