CHEM 1110 Midterm: Chemistry 1110 2004 Spring Test 1
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Instructions: you have 75 minutes to complete this 100-point exam. 1000 mg = 1 g: multiple choice: (30 pts, 3 points each) carefully and clearly circle the best answer. Its mass number is: 40. 08, 20, 40, 60. 1: an atom of vanadium (v) loses 2 electrons. It is now called a(n: anion, element. 2: the smallest particle of an element that retains the chemical properties of the element is a(n): ion, atom, solid, molecule. Short answer and calculations (80 pts): clearly indicate your answer in the space provided. Partial credit will be given for correct work. If i cannot read the work, it will not be graded: (10 pts) name the following compounds, scl2, pf3, caso4, fe2o3, nh4no3. __________________________________: (10 pts) give the correct formula for the following compounds, sulfur hexafluoride, sodium carbonate, magnesium hydroxide, chromium (ii) chloride. 3: (15 pts) element q on planet qurtok has 2 stable isotopes, 49q (49. 06885 g/mol) and 52q (51. 96590 g/mol).
