Selle The following table gives the boiling and melting points of
answer the questions that follow
Compound
M. P (°C)
B. P (°C)
- 23.0
76.8
NO-
801
1470
681
1320
1420
712
- 114
-85.4
5.5
80.5
a. Which compounds are likely to have giant structures in solid state?
b. Which compounds can conduct electric current in molten state but not in solid
state?
C.
Which compounds have simple molecular structures?
d. Which compound is a liquid at room temperature (25°C)?
6. The table below gives information about four substances. Use it to answer the questions
that follow
Substance
B. P
(°C)
(°C)
onict
Conductivity
Electricity in:
Solid
Molten
state
state
Does not
Conducts
el XY
800
ON X
1420
Conducts
Conducts
850
1490
Does not
Does not
1700
2200
Does not
Does not
113
440
3​