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picture1_Powerpoint Templates Biology 70841 | Acids Bases Buffers Ph Vcbcct


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File: Powerpoint Templates Biology 70841 | Acids Bases Buffers Ph Vcbcct
acids bases buffers importance of the ph scale in biology images ph scale edward stevens wiki from the virtual cell biology classroom on scienceprofonline com chemical bonding and electron valences ...

icon picture PPTX Filetype Power Point PPTX | Posted on 30 Aug 2022 | 3 years ago
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        Acids, Bases & 
               Buffers
               Importance of 
               The pH Scale 
                 in Biology
 Images: pH scale, Edward Stevens, Wiki                 From the  Virtual Cell Biology Classroom on ScienceProfOnline.com
              Chemical Bonding and Electron Valences
  The electrons in an atom are located at different energy levels. 
  Electrons in the highest energy level are called valence electrons.
  Number of valence electrons governs an atom’s bonding behavior. 
  Q: What is the max number of valence electrons for a full valence shell? 
  Atoms are much more stable, or less reactive, with a full valence shell. 
  By moving electrons, the two atoms become linked. This is known as chemical 
  bonding. 
  This stability can be achieved one of two ways: 
      - Ionic bond
      - Covalent bond
 Images: Carbon, Universe Today Website         From the  Virtual Cell Biology Classroom on ScienceProfOnline.com
                                                                             Ionic Bonds
            Involves transfer of electrons between two atoms.
                                                                      Found mainly … inorganic compounds.
              Ion = an atom or group of atoms which have lost or gained one or more electrons, making them negatively or 
                                                                                     positively charged.
         Q: What are positively charged ions (+) called?
         Q: What are negatively charged ions (-) called? 
  Images: Sodium Chloride, University of Winnepeg                                                                               From the  Virtual Cell Biology Classroom on ScienceProfOnline.com
          Ionic compounds are made of oppositely charged 
                                            ions
                                                •  Ionic Bonds are atoms held 
                                                   together by attraction between 
                                                   a (+) and a (–) ion
                                                •  Compound is neutral overall, but 
                                                   still charged on the inside.
                                                •  Makes solid crystals.
 Images: Halit crystal, Crystal structure of NaCl, Wiki       From the  Virtual Cell Biology Classroom on ScienceProfOnline.com
                       Ions: Acids & Bases
     An acid is any ionic compound that 
                         +
     releases hydrogen _____  (H )  in 
     solution.
     A base is any ionic compound that 
                       -
     releases hydroxide _____ (OH) in 
     solution.
                                                From the  Virtual Cell Biology Classroom on ScienceProfOnline.com
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...Acids bases buffers importance of the ph scale in biology images edward stevens wiki from virtual cell classroom on scienceprofonline com chemical bonding and electron valences electrons an atom are located at different energy levels highest level called valence number governs s behavior q what is max for a full shell atoms much more stable or less reactive with by moving two become linked this known as stability can be achieved one ways ionic bond covalent carbon universe today website bonds involves transfer between found mainly inorganic compounds ion group which have lost gained making them negatively positively charged ions sodium chloride university winnepeg made oppositely held together attraction compound neutral overall but still inside makes solid crystals halit crystal structure nacl acid any that releases hydrogen h solution base hydroxide oh...

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