test Thursday Feb 16th 2017 unit 1

TAKEO HERZOG-HARA
Mind Map by TAKEO HERZOG-HARA, updated more than 1 year ago
TAKEO HERZOG-HARA
Created by TAKEO HERZOG-HARA over 4 years ago
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first mind map in chem

Resource summary

test Thursday Feb 16th 2017 unit 1
  1. measuring & scientific notation
    1. significant: non-zero, zeros between significant digts
      1. not significant: zeroes before a number,
      2. atomic structure
        1. electron shells: 2,8,8,18,18
        2. periodic trends
          1. more electrons= denser=lower radius
            1. more electrons= greater need to complete shell= higher electronegativy & energy needed to take away electrons
            2. trends in bonding
              1. elctronegativity difference dictates how polar it is, share/take
                1. metals give away electrons, two non metals share, two metals don't react
                  1. all elements want to have a complete outer shell
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