Important review material new
This presentation is the property of its rightful owner.
Sponsored Links
1 / 9

Important Review Material (new) PowerPoint PPT Presentation


  • 44 Views
  • Uploaded on
  • Presentation posted in: General

Important Review Material (new). Periodic Table Trends. Atomic Radii- size of the atom Ionic Radii – size of the ion Electronegativity- tendency to attract electrons to itself when chemically combined with another element. Ionization Energy- energy required to remove an electron

Download Presentation

Important Review Material (new)

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Important review material new

Important Review Material (new)


Periodic table trends

Periodic Table Trends

  • Atomic Radii- size of the atom

  • Ionic Radii – size of the ion

  • Electronegativity- tendency to attract electrons to itself when chemically combined with another element.

  • Ionization Energy- energy required to remove an electron

    first ionization energy - remove 1 electron

    second ionization energy - remove 2 electrons


Important things that use trends

Important things that use trends

  • Coulomb’s Law

  • Photoelectric Spectroscopy


Coulomb s law

Coulomb’s Law

  • Describes the attractions and repulsions between charged particle

  • E = (q1q2)/ r

    • E is potential energy

    • q is charge of ion

    • R is radius


Important review material new

  • Like charges, E is positive…when the r increases the E goes down.

    • System goes towards lower potential energy, more distance between particles = lower energy…Like repels like

  • Opposite charges, E is negative…when r decreases the E gets more negative.

    • Lots of attraction

  • Small size and large opposite charges give the best columbic attraction (or lattice energy).


Photoelectric spectroscopy

Photoelectric Spectroscopy

  • Plots number of electrons vs ionization energy of the electrons…or how much energy it takes to strip an electron away from an element.

  • You will need to remember electron configuration …1s²2s²

  • S = 2 e-p = 6 e-d= 10 e-f= 14 e-

  • Shells are happy ½ filled or fully filled

  • When electrons are in the same sub orbital e- pair repulsion makes it easier to take away one of the e-.


Pes example

PES Example


  • Login