matter
Matter
Shape
A physical state refers to the form in which matter exists, such as solid, liquid, or gas. This classification is based on the arrangement and movement of particles within a substance.
In chemistry, the term "state" refers to the physical form in which a substance exists, such as solid, liquid, or gas.
Photon matter is a form of energy, not a physical substance.
yes
State
The gaseous form of a substance that exists as a liquid at room temperature is known as vapor.
it would be physical change because physical change is when the substance stays the same
it would be physical change because physical change is when the substance stays the same
When a substance changes from one physical form to another, you say the substance has had a phase change or undergone a phase transition.
it would be physical change because physical change is when the substance stays the same