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TTU / Mechanical Engineering / ME 3311 / What is the difference between elements and compounds?

What is the difference between elements and compounds?

What is the difference between elements and compounds?

Description

Learn it, Don’t Just Memorize it!

3 Basic Areas :

     - Terms

     - Concepts                        The terms are the legs on which the concepts stand on.

     - Applications

3 Basic Materials

      - metals

      - polymers

      - ceramics

Lectures aren't necessarily from books, however the textbooks are a good source of information.

  * Learn what is on the board!!*

        - take notes then further research in textbooks

Engineering Materials

        Starting “Solid” substances used to make products and structures, and the science

related to the study and treatment of those substances and their applications.

Material Properties are characteristics that distinguish and identify a material.

        Each material has properties that different it from every other material

Atom - the smallest part of a substance that retains the properties.If you want to learn more check out What is the GCF in factoring polynomials?

Material Properties

Chemical

- Compositions (elements)

  • Periodic table
  • - Atomic arrangements

  • How the atoms are arranged
  • Mechanical

         -strength

         -stiffness

         -ductility

         -toughness

         -hardness

    Physical

         -thermal expansions and

            contractions

         -specific heat

         -density and porosity

    If you want to learn more check out Cite the characteristics of life-span perspective.
    Don't forget about the age old question of How to examine a scatterplot?

    Atomic Structure and InterAtomic Bonding

    - Atom                                - Electron                        - isotopes         - proton number

    - Atomic Number                - Electron Configurations        - metallic bond        

    - Atomic Mass Number        - Electronegativity                - neutron        - violence electrons        

    - Bonding-Energy                - ions                                - periodic tableIf you want to learn more check out What are the benefits of specialization and trade?

    -Covalent Bond                - ionic bond                        - proton        - volency

    I) Electrons in Atoms (atomic structure)

    II) Elements in Periodic TableDon't forget about the age old question of Enumerate the seven characterisitcs of Living things.

    III) Bonding Forces and Energies

    Matter

    Occupies space and posses mass

    (solid, liquid, gas)

    ↙                                    ↘

    Pure Substance - matter having invariant chemical composition and distinct properties

    Mixture - two or more pure substances that retain their individual identities and can be separated by physical method

    If you want to learn more check out What is the study of humankind in all different kinds of societies, from the deep past to the far future?

    Pure Substances

    ↙                                    ↘

    Elements - Fundamental substance ; cannot be separated into simpler substances by chemical methods

    Compounds - 2 or more elements in fixed proportions and can be separated into simpler substances and elements only by chemical methods

    The Structure of the Atom

    Particle

    Symbol

    Charge (c)

    Mass (kg)

    Electron

    -1.6 x

    9.11 x

    Proton

    +1.6 x

    1.673 x

    Neutron

    0

    1.675 x

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