7.1 Physical Changes Flashcards
1
Q
What is a key property of physical changes?
A
no intramolecular bonds are made or broken; only the intermolecular forces between atoms and molecules are affected
2
Q
What is temperature?
A
the measure of the amount of internal kinetic energy that molecules have
3
Q
What are the different states/phases?
A
solid
liquid
gas
plasma
4
Q
What is a phase change caused by?
A
caused by the breaking or forming of intermolecular interactions
5
Q
What phase is the least energetic and most ordered?
A
solids
