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States of Matter
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Matter that is solid has a definite mass, shape, and volume. The shape of a solid can be manipulated. The particles in solid matter are arranged so that there is very little space between them. Solids are not easily compressible for this reason. In a solid, the particles vibrate in place. Common examples of solids include diamonds (which are carbon molecules under extreme pressure), NaCl (sodium chloride, commonly known as table salt), diamonds, and steel.
This is the molecular structure of a solid!
NaCl (Salt is great on french fries!)
These solid steel gloves worked well for battle in Medieval times!
Did you know that pure diamonds can cut glass?
Matter that is liquid has a definite volume. However, the shape is indefinite and a liquid will take the shape of whatever container it is in. Liquids are not easily compressible because there is little free space between particles. Liquids can flow easily due to the motion of its particles, which slide past one another. Common examples of liquids are water, mercury (Hg), and hydrogen peroxide.
This is the molecular structure of a liquid!
Hydrogen Peroxide is a natural teeth whitener!
The picture above depicts an epic water explosion!
Matter that is in a gaseous state has both an indefinite shape and an indefinite volume. Like a liquid, gas can assume the shape of its container. Gas is easily compressible because the particles in a gas can move freely about. Common examples of gases are helium, carbon dioxide, and oxygen.
This is the molecular structure of a gas!
Watch this video to learn more about states of matter!
The pictures above depict an O2 atom, balloons filled with helium, and a CO2 molecule.