1. Read the information at the website below and summarize what a mass spectrometer is used for, what the electric field does and what the magnetic field does.

This weblink is also on your calendar.

http://www.chemguide.co.uk/analysis/masspec/howitworks.html#top

http://antoine.frostburg.edu/chem/senese/101/atoms/faq/how-does-mass-spec-work.shtml

(Old link may not work) http://www.marshallschool.org/school/cours/course/dvosen/hchem/Files/Chp3/Atomic%20Masses.htm

2. In the three boxes below, type in three parts of the nuclear symbol for the chlorine isotope with 18 neutrons after reading and answering questions found at this website.

http://dbhs.wvusd.k12.ca.us/webdocs/AtomicStructure/Nuclear-Symbol.html

-----

3. Review the list of the next 10 element names and symbols you are responsible for learning. Then answer the following questions

symbol for tin

symbol for uranium

Ba stands for

Cu stands for

Ag stands for

Use the periodic table found in your book or at http://www.chemicool.com/to answer the following questions and complete the table below.

4. The atomic number of Chlorine, 17, indicates that there are 17 choose answer a. protons in the nucleus b. neutrons in the nucleus c. electrons in then nucleus d. total protons and neutrons in the nucleus

5. The number that is the total number of protons and neutrons in the nucleus of an atom is called choose a. atomic mass b. atomic number c. mass number d. isotope

6. Which number reflects the fact there are three naturally occurring isotopes of oxygen? choose a. atomic number = 8 b. electrons = 8 c. atomic mass = 15.999 d. all of these

7. Neon has three naturally occurring isotopes. What is the mass number of Ne-20? choose a. 10 b. 20 c. 20.18 d. cannot be determined

8. Neon has three naturally occurring isotopes. What is the atomic number of Ne-20? choose a. 10 b. 20 c. 20.18 d. cannot be determined

9. Neon has three naturally occurring isotopes. What would be different between these isotopes? choose a. atomic number b. number of protons c. number of neturons d. all of these would be different

10. Neon has three naturally occurring isotopes. What would be the same between these isotopes? choose a. mass number b. number of protons c. number of neutrons d. all of these would be the same

type the answers in the blank boxes

For Mrs. Barnwell's class:

When you have proof read your responses and have completed all questions, print this form, make sure your name is on the form and turn into Mrs. Barnwell.

For Mrs. Kavanaugh's class: