Reddit total annihilation6/22/2023 ![]() However it does not include massless particles such as photons, or other energy phenomena or waves such as light. All everyday objects that can be touched are ultimately composed of atoms, which are made up of interacting subatomic particles, and in everyday as well as scientific usage, "matter" generally includes atoms and anything made up of them, and any particles (or combination of particles) that act as if they have both rest mass and volume. In classical physics and general chemistry, matter is any substance that has mass and takes up space by having volume. From top to bottom: quartz ( solid), water ( liquid), nitrogen dioxide ( gas), and a plasma globe ( plasma). Matter is usually classified into three classical states, with plasma sometimes added as a fourth state. For other uses, see Matter (disambiguation). ![]() This article is about the concept in the physical sciences. ![]()
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