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Chapter 5

Chapter 5. Daniela Suazo 01-04-10. Matter . Has mass and volume. An element is a substance that cannot be broken into simpler substances by ordinary chemical means. Structure of an atom. - atom composed of electrons moving at high-speed about a central nucleus (plural nuclei). .

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Chapter 5

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  1. Chapter 5 Daniela Suazo 01-04-10

  2. Matter • Has mass and volume. • An element is a substance that cannot be broken into simpler substances by ordinary chemical means.

  3. Structure of an atom - atom • composed of electrons • moving at high-speed about a central nucleus (plural nuclei).

  4. Classifying atom • The period table - a tool used to organized information -all information about the elements.

  5. Bonding of atom - a compound is a substance - contains atoms

  6. What is a mineral? • A mineral is: It occurs naturally. It is solid It has a definite chemical composition. It’s atoms are arranged in an orderly pattern. It is inorganic (was never alive).

  7. How minerals form • Mineral can form in several ways. • Molten rock, magma,

  8. Structure of minerals • Arrangement of atoms in a mineral is often apparent in the mineral’s shape.

  9. Rock forming minerals • Most minerals, including gold and diamond are rare.

  10. Indentifying minerals by inspection • Minerals is a useful tool, because it list properties such as color,luster,and crystal shape.

  11. Testing mineral specimens • Some minerals properties are not revealed by inspection and must be determined by simple physical test.

  12. Special properties of minerals • Minerals that have unique properties are often easy to indentify.

  13. Major silicates • More than 90 percent of the minerals in earth’s crust are members of the silicate family.

  14. Carbonates • Although the most widely found minerals are silicates, several no silicates minerals are also common

  15. Oxygen and sulfides • Some minerals contain significant amounts of the elements iron.

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