Anion vs. Cation
radium
What is Ra2+
Rb1+
What is rubidium ion
bromide
What is 1-
aluminum
What is Al3+
Sr2+
what is strontium ion
chromium (IV)
What is Cr4+
N3-
What is nitride
Sulfur
What is 2-
Selenide
What is Se2-
Cl1-
What is chloride
hydrogen
What is a cation (and an anion! It can be both)
cobalt (III)
What is Co3+
Co2+
What is cobalt (II) ion
lead(IV) ion
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