Chemistry Concepts and Applications

Section 1: Ionic Compounds

Self Check Quizzes

1
When ionic compounds __________ or __________, their three-dimensional structure breaks apart, and the ions are released from the structure.

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A)boil, dissolve in acid
B)condense, freeze
C)evaporate, crystallize
D)melt, dissolve in water
2
Eggshells are composed of calcium phosphate. What is the most likely formula unit for calcium phosphate?
A)CaPO4
B)Ca(PO4)2
C)Ca3(PO4)2
D)Ca2(PO4)3
3
Which of these is NOT a binary compound?
A)aluminum nitrate
B)carbon dioxide
C)water
D)potassium iodide
4
The charge on an ion formed from an atom is called the __________ of the atom.
A)atomic radius
B)charge
C)oxidation number
D)reaction capacity
5
What is the formula for lithium carbonate?
A)Li2CO3
B)LiCO
C)LiCO3
D)Li3CO2
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