Ionic Bonds
Properties of Ionic Compounds
Writing Formulas
Writing Names
Polyatomic Ions
100
What are the two reasons why bonds form?
To decrease energy and increase stability
100
What is the name of the geometric pattern that ionic compounds arrange themselves in?
Crystal Lattice
100
Potassium Chloride
KCl
100
NaCl
Sodium Chloride
100
What is a polyatomic ion?
A group of atoms bonded together with a charge
200
What bond is modeled here?
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An ionic bond
200
What is an oxidation number?
The charge of an ion
200
Cesium Sulfide
Cs2S
200
Mg3N2
Magnesium Nitride
200
When writing a formula with multiple of a polyatomic ion, how do you represent that?
With parentheses (ex. Ca(OH)2)
300
What element has two levels of electrons and 6 valence electrons?
Sulfur
300
Are ionic compounds hard and rigid or soft and malleable
They are hard and rigid
300
Manganese (VII) Oxide
Mn2O7
300
CuF
Copper (I) Fluoride
300
What is the name of OH1-?
Hydroxide
400
What is the charge of a cation? An anion?
Cations have positive charges, anions have negative charges
400
What is the oxidation number of an ion found within group 13?
+3
400
Gold (III) Iodide
AuI3
400
PbI2
Lead (II) Iodide
400
What is the name for Ca(OH)2?
Calcium Hydroxide
500
What types of elements typically make up ionic bonds?
A metal and nonmetal
500
Why are ionic compounds brittle?
Compounds can break apart when applied force places like charges next to each other
500
Palladium (IV) Sulfide
PdS2
500
Mn3N4
Manganese (IV) Nitride
500
What is the formula for Copper (II) Nitrate? (Hint: Nitrate = NO31-)
Cu(NO3)2