Solids

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The solid state is a state of matter characterized by the absence of freedom between molecules or ions (metals for example). The macroscopic criteria of matter in the solid state are: the solid has its own form; the solid has … Read More

Matter

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In physics, matter is what makes up any body having a tangible reality. The four most common states are the solid state, the liquid state, the gaseous state and the plasma state. Matter occupies space and has a mass. Thus, … Read More