{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}


PracticeExam1a - Tufts University Chem 1 Summer 2008...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Tufts University Chem 1 Summer 2008 Practice Exam 1a At the exam, you will be given a handout with the periodic table and copies of the following tables: Selected Prefixes Used in the Metric System, Solubility Guidelines for Common Ionic Compounds in Water, Activity Series of Metals in Aqueous Solution, Fundamental Constants and Useful Conversion Factors. The following instruction applies to the exam: “Watch out for significant figures, put proper units on all the answers, and check your work. SHOW ALL OF YOUR WORK on the calculation questions on the sheets provided. Box the final answer. You should have nothing but a calculator and writing implements at this exam. Feel free to ask questions during the exam.” You will have 2 hours for the exam (9:30 – 11:30 am). I. MULTIPLE CHOICE QUESTIONS _______________/30 II. COPPER AND ALUMINUM _______________/13 III. MANGANESE _______________/12 IV. REACTIONS _______________/12 V. ISOTOPES _______________/7 VI. OXIDE _______________/7 VII. COMBUSTION _______________/9 VIII. ADDITIONAL QUESTIONS _______________/10 TOTAL _______________/100
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
I. MULTIPLE CHOICE QUESTIONS (30 points, 1.5 point each) Only one answer is assumed correct in each question. 1. Who discovered the electron? a) Ancient Greeks b) Avogadro c) J. J. Thomson d) Rutherford, Geiger, and Marsden e) Robert Millikan 2. Which of following is a chemical property of copper? a) M = 63.55 g/mol b) Red color c) Good electric conductivity d) Copper dissolves in nitric acid, but not in hydrochloric acid e) All of the above 3. Which of the following is a metalloid? a) boron b) oxygen c) aluminum d) sodium e) nitrogen 4. The atom of carbon-12 has a) 6 electrons b) 6 neutrons c) 6 protons d) All of the above e) None of the above. 5.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 11

PracticeExam1a - Tufts University Chem 1 Summer 2008...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon bookmark
Ask a homework question - tutors are online