Which of the following processes involves the removal of energy (heat)?
A) condensation
B) melting
C) sublimation
D) vaporization
Question 2
Which statement comparing chemical and nuclear properties of isotopes is correct?
A) Isotopes have similar chemical and nuclear properties.
B) Isotopes have different chemical and nuclear properties.
C) Isotopes have different chemical properties, but generally the same nuclear properties.
D) Isotopes generally have the same chemical properties, but often different nuclear properties.