Question 5 (1 point)
Which change happens when a substance boils?
a
The intermolecular forces between atoms in the molecules weaken, and the atoms move apart, and the molecules change into a different substance.
b
The intermolecular forces between atoms in the molecules strengthen, and the atoms move closer together.
c
The intermolecular bonds of the substance strengthen. The molecules move closer together, but the molecules do not change.
d
The intermolecular bonds of the substance weaken. The molecules move apart, but the molecules do not change.
d
The intermolecular bonds of the substance weaken. The molecules move apart, but the molecules do not change.