The Hindenburg Disaster 1937. MAJOR DISASTERS The Titanic 1912 Tacoma bridge 1940 Twin Towers 2001.
December 12th Quick Write: Take the worksheet at the front of the desk. Work on class work sheet Homework: complete the class work sheet on the Periodic.
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Bellringer – November 12, 2014 Look at the Periodic Table: 1)What does the Au stand for? 2)What atomic number is aluminum and what is it’s symbol? 3)What.
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Masses of Atoms. Element ~ smallest particle that is unique from all others.
A.C.E. Biology Spring 2011