Wednesday, August 31, 2011

New Year, New Authors

You are welcome to make up an alias for your posts.  You have not been assigned any posts yet.  I will let you know when there are assignments.  Think before you post!

Water

Due to it's polarity water can dissolve many ionic compounds by surrounding the ions forming a hydration shell.  

salt dissolved by water


chloride has a negative charge and the hydrogen has a slight positive charge




the sodium ion has a positive charge so the negative end (oxygen) surrounds the sodium ion