Which series shows the correct order of metallic bond strength from strongest to weakest?
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10
Why is CHCl3 more polar than CCl4?
CCl4 is symmetric and therefore no net dipole; CHCl3 is asymmetric
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trap
No points!
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shark
Other team loses 5 points!
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fairy
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5
10
15
20
25
lifesaver
Give 20 points!
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15
Which hybridization is depicted in the molecule shown here?
sp
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15
Which intermolecular force does NOT exist when KF is dissolved in NH3?
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10
What is the chemical formula for calcium oxide?
CaO
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15
What name is given to a compound composed of two non-metals?
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15
What is the chemical formula for the compound barium bromide?
BaBr2
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15
Which compound has the shortest C–N bond?
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15
Which of the following would you expect to have the highest melting point?
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20
Name
calcium phosphate [OR calcium phosphate (V)]
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15
A white solid has a melting point of 2072 ∘ C 2072 ∘ C. It does not conduct electricity in the solid state, but does so in the molten state. Which type of structure is found in the solid material?
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15
The Lewis (electron dot) structure of the ethanedioate ion is shown. Outline why all the C–O bond lengths in the ethanedioate ion are the same length
electrons delocalized «across the O–C–O system» or RESONANCE
