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Matter & Measurement

Chemistry 221 Chapter 1

QuestionAnswer
What properties of matter can be observed and measured WITHOUT changing the composition of the matter? The PHYSICAL Properties
What physical properties do NOT depend on the amount of substance. Examples: Color, physical state at given temperature, and density. INTENSIVE Physical properties
What state of matter has rigid shape and fixed volume? Solid
What state of matter has fixed volume but adopts the shape of their container? Liquids
What state of matter has no fixed volume and fills the container. Gas
Pure substances that contain only one type of atom. Elements
Discrete groups of atoms linked by chemical bonds are known as molecules
A pure substance containing more than one type of atom Compound
What is the Kinetic Molecular Theory? model of the behavior of submicroscopic particles in matter
According to the Kinetic Molecular Theory... Solids particles are close together and they vibrate around fixed positions
According to the Kinetic Molecular Theory... Liquids particles are close together but they move freely about one another.
According to the Kinetic Molecular Theory... Gas particles are widely separated and move in straight line paths
Heat can be defined as
Created by: anolesrus