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Ions
atoms become ions to achieve a stable full outer shell
positively charged ion
cation
negatively charged ion
anion
Ionic bonding
Strong electrostatic attraction between oppositely charged ions
Zinc
Zn2+
Silver
Ag+
Hydrogen
H+
Ammonium
NH4 1+ charge
Nitrate
NO3 1- charge
Hydroxide
OH 1- charge
Carbonate
CO3 2- charge
Sulfate
SO4 2- charge
Giant ionic structures
All ionic compounds are huge lattices which is a regular array of particles.
Ionic compound properties
high melting and boiling points, only conduct electricity when molten, dissolve in water