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Chemistry Chapt 1-2
Question | Answer |
---|---|
Which state of matter takes both the shape and volume of its container? | Gas |
Which state of matter is Characterized by having an indefinite shape, but a definite volume? | Liquid |
Which state of matter is characterized by having a definite shape and a definite volume | Solid |
The most obvious physical properties of a liquid are its retention of volume and its conformation to the shape of its container. When a liquid substance is poured into a vessel, it takes the shape of the vessel, and, as long as the substance stays in the liquid state, it will remain inside the vessel.
Solid are characterized by structural rigidity and resistance to changes of shape or volume. Unlike a liquid, a solid object does not flow to take on the shape of its container, nor does expands to fill the entire volume available to it like a gas .
Gases have three characteristic properties: (1) they are easy to compress, (2) they expand to fill their containers, and (3) they occupy far more space than the liquids or solids from which they form.
Solid is distinguished by a fixed structure. Its shape and volume do not change. In a solid, atoms are tightly packed together in a fixed arrangement. Liquid is distinguished by its malleable shape (is able to form into the shape of its container), but constant volume.
Examples of physical properties of matter include melting point, color, hardness, state of matter, odor, and boiling point.
A physical property is a characteristic of matter that is not associated with a change in its chemical composition. Familiar examples of physical properties include density, color, hardness, melting and boiling points, and electrical conductivity.
Physical Properties
Matter is the “stuff” that makes up the universe — everything that takes up space and has mass is matter. All matter is made up of atoms, which are in turn made up of protons, neutrons and electrons.