Melting butter is a physical change. which best describes what is happening? the butter changes into a different substance. the butter contains a new arrangement of atoms. the butter cannot turn into a solid again. the butter no longer contains the same number of atoms.

Melting butter is a physical change. The statement that best describes what is happening is that the butter contains a new arrangement of atoms.

The butter contains a new arrangement of atoms. It’s a physical change therefore it cannot change into a different substance and it can turn into a solid again as physical changes just the property of a substance. The butter also remains as butter so there would still be the same number of atoms.