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Exam #1 - Chapters 1-3, Exams of Chemistry

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Typology: Exams

2020/2021

Available from 12/04/2021

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Name: Dylan Davis DO NOT WRITE ON THIS TEST PART i: MULTIPLE CHOICE — (2 points exch) 1. The element symbol for Sodium is: A) Ss B) So Na 0) Nd 2, The element name for the symbol Fe is: A) Fluorine B) Fermium ©) Francium tron 3. @: element symbol for Phosphorus ist Pp B) Ph Cc) Ps DB) K 4. Chemistry is the science dealing with: A) The structure and composition of substances B) Changes in composition C) Mechanisms by which these changes occur © Allof the above 5. Which is equivalent to 750. calories? @ 0.750 Keal B) 7.50 Kcal C) 75.0 Keal D) 750. Keal 6. Which of the following is a property of Solids? A) Retains its size and shape 8) Hasa definite volume C) Are not compressible ©) Allof the above 7, The graph at the right represents changes of state for an unknown substance. What is the Boiling Temperature of the substance? +r A) Odegrees Celcius GO 8B) 20 degrees Celcius 2 50 6 40 degrees Celcius uo D) 60 degrees Celcius my w og °o 12349567829 15 Scanned with CamScanner