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what is noble gas configuration
noble gas configuration is when every electron shell in an atom is completely full
this makes the atom balanced and stable
all atoms try to reach noble gas configuration to become balanced and stable
define “ion”
an ion is an atom that has gained or lost electrons due to trying to reach noble gas configuration and is now charged
how do ions form
ions form when an atom loses or gains electron when trying to reach noble gas configuration (full/empty valence shells)
define “polyatomic ions“
polyatomic ions are ions that are covalently bonded
CO2
Carbon dioxide
H2O
Dihydrogen monoxide
NH3
Ammonia
HCl
Hydrogen chloride
O2
Dioxygen
Cl2
Dichloride??
N2
Dinitrogen
H2
Dihydrogen