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Properties of Covalent Compounds
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Which statement best describes why oil and water don't mix?
 
Water molecules join together, so oil molecules get left out
 
Water molecules push away the oil molecules.
 
Oil molecules join together and water molecules join too.
This table represents the electronegativities of some elements. In a bond between Bromine and Iodine, which is the partially negative element?
 
Neither because the bond is nonpolar.
 
Bromine
 
Iodine
 
Neither because the bond is ionic.
This table represents the electronegativities of some elements. In a bond between Hydrogen and Oxygen, which is the partially negative element?
 
Oxygen
 
Hydrogen
 
Neither because the bond is nonpolar.
 
Neither because the bond is ionic.
This table represents the electronegativities of some elements. In a bond between phosphorus and bromine, which is the partially negative element?
 
Bromine
 
Phosphorus
 
Neither because the bond is nonpolar.
 
Neither because the bond is ionic.
When 2 nonmetal atoms share electrons unevenly, the result is a _______ bond.
 
Polar covalent
 
Nonpolar covalent
 
Ionic
 
Metallic
When 2 nonmetal atoms share electrons evenly, the result is a _______ bond.
 
Nonpolar covalent
 
Polar covalent
 
Ionic
 
Metallic
This picture illustrates the type of mixing that happens between which two kinds of particles?
 
Polar and ionic
 
Nonpolar and ionic
 
Polar and nonpolar
 
Covalent and metallic
Ionic compounds can mix with...
 
Only polar covalent substances.
 
Only nonpolar covalent substances.
 
Both polar and nonpolar substances
 
Only ionic substances
This table shows electronegativities of some of the elements. Which of these bonds would be a nonpolar bond?
 
C-S
 
O-F
 
P-Br
 
B-Cl
In this picture red represents high electron density, blue is low, and green is moderate. Based on this representation, is this molecule polar or nonpolar?
 
It is polar because it has oppositely charged sides.
 
It is polar because it is symmetrical.
 
It is nonpolar because it does not have a + and - side.
 
It is nonpolar because it is symmetrical.
In this picture, red represents high electron density, blue is low, and green is moderate. Based on this representation, is this a polar or nonpolar molecule?
 
Nonpolar because it does not have a positive and negative si
 
Polar because it has electrons.
 
Polar because it has a positive and negative side.
 
Nonpolar because it has two atoms in it.
What happens to electrons in a covalent bond?
 
They are shared between two atoms.
 
One atom takes them from another.
 
The electrons flow freely through the substance.
 
I have NO idea.
What kind of compound(s) DO NOT mix with water?
Metallic compounds and nonpolar covalent compounds.
What kind of compound(s) mix with water?
Ionic compounds and polar covalent compounds.
Using the electronegativity table provided, what type of bond would you expect to occur between a chlorine and a nitrogen atom?
 
Nonolar covalent bond
 
Polar covalent bond
 
Ionic bond
 
Metallic bond
Using the electronegativity table provided, what type of bond would you expect to occur between a chlorine and a fluorine atom?
 
Polar covalent bond
 
Nonpolar covalent bond
 
Ionic bond
 
Metallic bond
What 3D shape would this molecule have?
 
Bent
 
Trigonal pyramidal
 
Linear
 
Tetrahedral
What 3D shape would this molecule have?
 
Linear
 
Bent
 
Tetrahedral
 
Trigonal pyramidal
What 3D shape would this carbon tetrachloride molecule have?
 
Tetrahedral
 
Bent
 
Trigonal pyramidal
 
Linear
What 3D shape would this molecule have?
 
Trigonal pyramidal
 
Tetrahedral
 
Bent
 
Linear
Covalent bonding involves what type of elements?
Only nonmetals
In covalent compounds, all the atoms involved typically have _____ values of electronegativity.
 
High
 
Low
 
High and low
 
Moderate
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