Melting is considered a(n) ___ change because energy is gained by the substance as it changes state A. Physical.
B. Chemical.
C. Volume.
D. Dynamic.

What is the number of atoms in 3.54 mol s

This statement about matter and its behavior is best classified as a

Which is true about metals used for jewelry, such as platinum and gold? a. they have low flammability. b. they have low reactivity. c. they have high flammability. d. they have high reactivity.