Answer:
Transition elements are elements which have partially filled d-orbitals and form at least one or more stable ions.
D) light is reflecting in the direction indicated by T.
Some examples of physical changes are:
Breaking a glass
Chopping wood
Tearing paper
Mixing sand and water
Melting an ice cube
These all are physical changes because the composition of the matter does not change.
Answer: Physical properties
Explanation: Can be measured without changing a substance's chemical identity.