To celebrate Hat Day as part of Social Distancing Spirit Week, I am offering bonus points to any student who can tell me what atom is on my hat and why they believe that is the atom.  

Watch the video I posted!  

Please check the Discussion Forum each week.  I will be posting discussion threads there and asking you to respond.  You must respond to the discussion thread by the end of Saturday (midnight) to be counted as "Present" in class on Saturday.&nbs...