CHEM 1201 Midterm: Exam 1 study guide

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We will work through the exam page at a time: solving ourselves then answering/reviewing together. Even though we may have trouble with a specific problem, we have to be aware of the time we have and be able to move on. What is the smallest mass: 6*105 pg, 3 g, 952 ng d 3. 24*10-4. I collect three measurements of my dog"s weight: 73kg, 74kg, 76kg. I could say that my measurement is _____________________________: accurate and precise, accurate, but not precise, precise, but not accurate, neither accurate nor precise. The correct answer to the following equation: ((342. 435+5603)*300. 0)/901. How many molecules are in 3. 32 moles of po4: 2. 00 * 1024 molecules, 5. 51*10-24 molecules, 4. 16 * 1023 molecules, 1. 19 * 1024 molecules. An atom with 34 neutrons and 17 electrons is which element: cu, fe, se, cl, need more info. Sulfur, s, is a member of which group: chalcogens, alkali metals, noble gases, halogens, alkali earth metals.