Practice Exam Two - Exam Two Chemistry 121 Name_Practice...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Exam Two – Chemistry 121 Name______Practice Test_______ Part One: Multiple Choice (60 points) Choose the best answer for each question. There is only one correct answer. 1. Which subatomic particle has the smallest mass? a. electron            b.  proton                 c. neutron            d. they all have the same mass 2. Which of the following is  NOT  an isotope of hydrogen? a. protium       b.  deuterium             c.  hydronium     d.  tritium 3. Which of the following is  NOT  an oxide? a. Na 2 O              b.  MgO                   c.  Al 2 O 3                 d. Ba(OH) 2 4. Which of the following is  NOT  a halogen? a. F 2                    b.  Br 2                            c.  N 2             d. I 2            e. they are all halogens 5. Which of the following elements has unpaired electrons? a. Be                 b. N                              c. Ca              d. Zn           e. Xe 6. All of the following are ionic compounds  except: a. BaCl 2                  b. PbO 2                           c.  CuF 2               d. SO 3 7. Which of the following elements has the highest electronegativity? a. F                           b.  Br                        c. Ca        d. Na 8. How many orbitals are filled for Bromine in its ground state? a. 33               b. 17               c. 18           d. 7             e. 8 9. Which of the following groups have one valence electron? a. alkaline earth metals                b. alkali metals                           c.  transition metals  d.   halogens                                      e. noble gases 10.  Which of the following is  ionic ? a. carbon dioxide        b. ammonium                 c. lithium carbonate          d. nitric acid 11.  What is the formula for perchloric acid? a. HClO 4               b. HClO 3           c. HClO 2               d. HClO               e. HCl 12.   Which of the following has the most nonbonding pairs of electrons? a.
Background image of page 1

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

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 07/19/2009 for the course PSE 121 taught by Professor Walker during the Spring '09 term at City Colleges of Chicago.

Page1 / 7

Practice Exam Two - Exam Two Chemistry 121 Name_Practice...

This preview shows document pages 1 - 2. Sign up to view the full document.

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