Use the table to answer the following question.
Unknown Substances
1
2
3
Boiling Point
(°C)
67.7
54.3
18.6
12.1
Which substances are gases at room temperature (25°C)?
A 3 & 4 because they have stronger intermolecular forces.
B 1 & 2 because they have weaker intermolecular forces.
C
1 & 2 because they have stronger intermolecular forces.
D 3 & 4 because they have weaker intermolecular forces.