Chemical Bonding and Structure
Question 1 of 5
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Chemistry Q & A Practice
1 of 5 exam-style Chemistry exercises in this topic
The table compares substances at room conditions.
Substance
Melting point
Conducts as solid?
Conducts when molten?
P
801°C
No
Yes
Q
−114°C
No
No
R
3550°C
Yes
—
S
660°C
Yes
Yes
Which identification is most consistent with the evidence?
Select one option.
A
P simple molecular; Q metallic; R ionic; S covalent
B
P metallic; Q ionic; R simple molecular; S graphite
C
P ionic; Q simple molecular; R graphite; S metallic
D
All four are ionic
E
P graphite; Q simple molecular; R metallic; S ionic
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