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How can you identify an ionic compound?
It contains a metal and a nonmetal
How can you identify a molecular compound?
It contains only nonmetals
What type of particles make up ionic compounds?
Ions
What type of particles make up molecular compounds?
Molecules
How are ionic compounds held together?
Electrostatic attraction between ions
How are molecular compounds held together?
Sharing electrons (covalent bonds)
What structure do ionic compounds form?
A lattice structure
What structure do molecular compounds form?
Individual molecules
What happens when ionic compounds dissolve in water?
They break into ions
What happens when molecular compounds dissolve in water?
They stay as molecules
What is a key exception when identifying compounds?
Hydrogen is a nonmetal