You must use the factor-unit method to solve the following problem.  Show your work (conversion factors and units) by using the equation editor() in the toolbar.  Within the equation editor, use  for conversion factors.  Or, show your work (conversion factors and units) on a separate sheet of paper. Immediately after submitting your exam, upload a picture of your work into the Unit 1 Exam Pictures dropbox. Be sure to number your problems and circle your final answer.  A copy of your chemistry textbook is found to have a mass of 2.56×103 g.  What is this copy of your chemistry textbook is in kg? (1000 g = 1 kg)  

What is the mass number of an atom that contains 26 protons, 29 neutrons, and 26 electrons? What is the symbol for the element?

Classify the following as either a pure substance, a homogeneous mixture or a heterogeneous mixture: baking soda, NaHCO3

Classify the following as a physical or chemical property: The colorless gas hydrogen, reacts explosively when ignited in air.

Convert 0.20 L to mL

What would you multiply moles of fluorine (F) by to get the units atoms of fluorine? 

Use whichever of the following equations necessary to convert 453 K to Fahrenheit.  (Use only these equations – decimal answers will not be accepted)  °C = 5/9 (°F – 32) °F = 9/5 (°C) + 32 °C = K – 273  

Which one of the following lists units of volume in increasing order (from smallest to largest)?

As two clear liquid solutions are added together, a red solid forms. This change is most likely

How many atoms of oxygen are in one molecule of Cu(H2PO4)2?