Chem unit 4
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are atoms that have gained a positive or negative charge.
Relate electron configuration of an atom to its chemical reaction:
the difference in reactivity is directly related to the valence electrons. Unreactive noble gases have electron configurations that have a full outermost energy level.
A positively charged ion.
a negatively charged ion.
- ions made up of more than one atom.
- a polyatomic ion composed of an element bonded to one or more oxygen atoms is an oxyanion.
- The ion with the greater number of oxygen atoms gets the suffix -ate
- The ion with the fewer oxygen atoms gets the suffix -ite.
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