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ATOM - Coggle Diagram

- - - - electrons are small negative charges attached to a positively charged medium
      - negatively charged electrons would “balance out” the positively charged medium so that all atoms will become neutrally charged
  - - - the central and most important part of an object, movement, or group, forming the basis for its activity and growth.
  - - - Energy is absorbed when an electron jumps from a lower orbit to a higher one and energy is emitted when an electron falls from a higher orbit to a lower
      - Each orbit has an energy associated with it. The orbit nearest the nucleus has an energy of E1, the next orbit is E2, and so
      - Electrons travel in separate orbits around the nucleus and that the number of electrons in the outer orbit defines the properties of an element.
      - The energy and frequency of light emitted or absorbed can be calculated by using the difference between the two orbital
- - - - useful because it demonstrates how elements with similar physical and chemical properties recur at regular intervals (that is, periodically)
        
        ELEMENTS
        
        Atomic Number
        
        Mass Number
        
        Elemental Symbol
  - - - Law of Definite Composition
      - Law of Multiple Proportions
  - - - Ions are atoms or molecules which have gained or lost one or more valence electrons
        
        If the chemical species has more protons than electrons therefore having a positive charge, it is called a cation
        
        if there are more electrons than protons therefore having a negative charge, it is called an anion
  - - - a process in nuclear physics in which the nucleus of an atom splits into two or more smaller nuclei as fission products, and usually some by-product particles.
- - - - Fire
      - Water
      - Air
      - Earth
- - - - Paracelsus
        
        Europe , believed that the body’s organs worked as a purifier
      - Jabir Ibn Hayyan
        
        A royal Alchemist of Bahgdad