= Phases of matter
{wiki=Phases_of_matter}
The phases of matter refer to the distinct forms that different phases of matter take on. The most commonly recognized phases are solid, liquid, and gas, but there are also more complex phases. Here are the primary phases: 1. **Solid**: In solids, particles are closely packed together and vibrate in fixed positions. This gives solids a definite shape and volume. The intermolecular forces are strong, keeping the particles firmly in place.
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