Chemistry 121: Coming up next…

Thursday will be a special day. We will have our elements party. Come with 35 copies of a business card about the element you chose. Here is a video of the elements party of a previous class. Look at the samples to get some ideas…

http://justonly.com/chemistry/videos/elements/index.php

Also we will have a quiz on density. Be sure you can find the mass, volume and density given two of these three quantities. Also be sure you understand that mass can be measured by difference (subtract out the mass of the container) and that volume can be determined by the displacement of water (final water level – initial water level). Know that gas densities are expressed in grams per liter, liquids in grams per mL and solids in grams per cubic centimeter. Also know that 1 cubic centimeter (1cc or 1 cm3) = 1 mL.

See you on Thursday!!

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