Chemistry 4-24-24 Chapters 3A & 21 Test Overview

CHEMISTRY: God bless you as you practice for the test. Be careful and don’t take the test for granted! SUPER IMPORTANT – Use the Chapter 3A and the 21 Stuff to Know sheet as a guide for what you are memorizing and practicing.

Here is the test overview from today – but better. I’m posting an overview from last year that has more examples than we were able to get to today. Bottom line? Memorize everything and practice everything! And did I mention, PRACTICE!! God bless you! I’ll be praying!!


flickr photo by jim pennucci

Hon Chemistry 4-24-24 Electron Affinity, Ionic Radii & Electronegativity

HON CHEMISTRY: So you’re saying, not only are there atoms that want to get rid of electrons, there are atoms that want to take them? Here’s our super short lesson today on electron affinity, ionic radii, and electronegativity. I added more to it after you guys left.

Also the thumbnail photo on the vodcast is a picture of chlorine taking an electron from sodium – or sodium giving an electron to chlorine. I’ll let you decide!


Image source http://theorielerenonline.nl/kosher-salt-picture/