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The incomplete table below shows selected properties of compounds that have ionic, covalent, or metallic bonds.RowSubstanceType of bondLikely property1KCl?Brittle2?CovalentDoes not conduct electricity3??MalleableWhich substance would be most suitable for row 3?
A
sodium chloride (NaCl)B
silver (Ag)C
nitrogen (N)
D
propane (CH)
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An element has six valence electrons available for bonding. Which group of the periodic table does this element most likely belong to?
A
group 2B
group 4C
group 16D
group 1823
Which compound has the highest melting point?
A
Al2(CO3)3B
C12H22O11C
C8H18D
H2O24
Which statement is true about ionic compounds?
A
Solid ionic compounds are good conductors of electricity.B
Ionic compounds have varying solubilities in water.C
Ionic compounds have very low melting points.D
Ionic compounds are very easy to bend.25
Two molecules have the same molecular geometry but different electron domain geometries. Which combination of atoms and lone pairs around the central atom could describe these molecules?
A
2 atoms and 2 lone pairs; 3 atoms and 0 lone pairsB
1 atom and 3 lone pairs; 2 atoms and 1 lone pairC
3 atoms and 1 lone pair; 3 atoms and 0 lone pairsD
2 atoms and 2 lone pairs; 2 atoms and 1 lone pairDid you find these answers helpful?
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