if the arrangement of atoms in a substance changes, then which of the following is true?
a. A chemical reaction has occurred.
b. The physical state of the substance changes.
c. The chemical properties of the substance stay the same but the physical properties change.
d. The physical properties of the substance stay the same but the chemical properties change.

Question

if the arrangement of atoms in a substance changes, then which of the following is true? 
a. A chemical reaction has occurred.
b. The physical state of the substance changes.
c. The chemical properties of the substance stay the same but the physical properties change.
d. The physical properties of the substance stay the same but the chemical properties change.

anonymous · Answer

b is true and perhaps c is true, though "chemical propeties" is a bit vague. what do you think?