The Organization of Matter. Matter. Mixtures: a) Homogeneous (Solutions) b) Heterogeneous. Pure Substances. Elements. Compounds. Atoms. Nucleus. Electrons. Protons. Neutrons. Quarks. Quarks. Phase Differences.
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Solid– definite volume and shape; particles packed in fixed positions.
Liquid– definite volume but indefinite shape; particles close together but not in fixed positions
Gas– neither definite volume nor definite shape; particles are at great distances from one another
Plasma– high temperature, ionized phase of matter as found on the sun.
Extensive propertiesdepend on the amount of matter that is present.
Energy Content (think Calories!)
Intensive propertiesdo not depend on the amount of matter present.
The constituents of the mixture retain their identity and may be separated by physical means.
The components of dyes such as ink may be separated by paper chromatography.
Compounds must be separated by chemical means.
With the application of electricity, water can be separated into its elements
Water Hydrogen + Oxygen
2 H2O 2 H2+ O2