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Nature of Matter

Nature of Matter. Atoms and the Periodic Table ISCI 2002. Matter. Anything that has mass and occupies space Matter is what substances are made of Properties of matter 1. macroscopic – properties you can see 2. microscopic – atoms arranged in a solid, liquid, gas.

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Nature of Matter

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  1. Nature of Matter Atoms and the Periodic Table ISCI 2002

  2. Matter • Anything that has mass and occupies space • Matter is what substances are made of • Properties of matter • 1. macroscopic– properties you can see • 2. microscopic– atoms arranged in a solid, liquid, gas

  3. Classification of Matter

  4. Atoms – Basic Units of Matter

  5. Atomic Structure • 1. Protons and Neutrons • Atomic mass of the atom • 2. Electrons • Orbitals and Energy Levels • Involved in Bonding

  6. Electrons

  7. Atoms, Elements and Compounds • 1. Atoms ----------- Elements • Fe, Ag, Al, Na • 2. Elements --------- Molecules and Compounds • Molecules vs Compounds

  8. Isotopes

  9. Periodic Table

  10. The Atomic Number and Atomic Mass Number • Atomic Number – Periodic Table • Number of protons in an atom • Protons always equal electrons!

  11. Atomic Number

  12. Periodic Groups

  13. Chemical and Physical Properties • Physical Properties • Appearance – hard or soft; dull or shiny; color • Density; melting point and boiling point • Chemical Properties- describes changes of composition the substance undergo’s during a chemical change • What is required to bring about the change • Temperature, heat, number of electrons, etc.

  14. Chemical and Physical Properties • Extensive Property • Depends on the ‘quantity’ of matter in a sample • Cannot be used to characterize a type of matter • Mass of water is 2.0 kg? Another sample may be 4.0 kg • Volume, mass • Intensive Property (distinguishes one substance from another) • Property shared by all examples of a specific type of matter • Density (m/v); color; melting point; solubility; acidic or alkaline • The density of water is 1.0 g/cm3

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