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Name_______________________________________________Date___________________Hour____Table____ Atomic Model Stations All questions must be answered using complete sentences. Remember the easiest way to write a complete sentence is to turn part of your question into part of your answer. Read It! Read the article “An Atom Apart” by Leslie Cargile, then answer the questions. 1) What are atoms? ________________________________________________________ __________________________________________________________________________ 2) What does the word A’tomos mean in ancient Greece?____________________________________ ___________________________________________________________________________________ 3) What is quantum mechanics?________________________________________________________ __________________________________________________________________________________ 4) The author begins this article by comparing a cloud of gnats to an atom. In this scenario, what do the gnats represent? What does the person walking through the gnats represent? _____________________________________________________________________________________ _____________________________________________________________________________________ Watch it! (You need Flash to play this video—Apple users, open URL through Puffin) 1. What is at the center of every atom? __________________________________ _________________________________________________________________ 2. Which two particles make the nucleus of an atom? __________________________________ _____________________________________________________________________________ 3. What is the number of protons equal to? ___________________________________________ _____________________________________________________________________________ 4. What determines the type of element an atom is? ___________________________________ _____________________________________________________________________________ 5. What forms when two atoms combine? ____________________________________________ _____________________________________________________________________________ 6. What is a compound? _________________________________________________________ _____________________________________________________________________________ Name_______________________________________________Date___________________Hour____Table____ Research It! 1. Spend 2-3 minutes playing with the simulation. Make sure you click on everything. 2. Open the Net Charge and Mass Number boxes. You might need to reopen these each time you reset. 3. Experiment by putting some protons into the nucleus of the atom (on the x). Fill in t he t able t o keep track of w hat you are learning Protons on the X Mass Number Charge When you finish, put the protons back Does the symbol change in the periodic table? 4. Experiment by putting some neutrons into the nucleus of the atom (on the x). Fill in the table to Mass Number Charge Neutrons on the X Does the symbol change in the periodic table? keep track of what you are learning When you finish, put the neutrons back 5. Experiment by putting some Electrons into the nucleus of the atom (on the x—they should move to the outer circles). Fill in t he t able t o Mass Number Charge Electrons on t he X Does the symbol change in the periodic table? keep track of w hat you are learning When you finish, put the Electrons back 6. Look over your data tables for protons, neutrons and electrons. Two things you notice are A. _ _____________________________________________ B. _ ____________________________________________________ 7. Put 3 protons into the nucleus of the atom. Then fill in the following. Name of atom_______________________ atom or ion?______________ Net Charge_____________ 8. Practice how to make atoms that are neutral or stable. Once you are able to do this several times fill out the statements below. A. First I choose _________ protons and put them in the center (nucleus) of the atom. B. C. 9. My Stable atom: _______ mass ____ protons _____ neutrons __________ electrons name of atom ________________________ Name_______________________________________________Date___________________Hour____Table____ Explore It! Use a Periodic Table and the colored dots in the lab kits to complete this activity. For each of the elements listed below figure out the number of protons, neutrons and electrons. Protons will be yellow, neutrons will be blue and electrons will be red. Remember on a periodic table the element square will give us the information that we need. Atomic Number = # protons and # electrons Symbol Element Name Atomic Mass—round this to the nearest whole number. Carbon Name_______________________________________________Date___________________Hour____Table____ Hydrogen Hydrogen Nitrogen Neon Name_______________________________________________Date___________________Hour____Table____ Write it! 1. What is an atom? __________________________________________________________ ___________________________________________________________________________ 2. What are the three basic parts of an atom? _____________________________________ __________________________________________________________________________________________ 3. Explain what element is shown and how you determine which element it is. __________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ Name_______________________________________________Date___________________Hour____Table____ Organize It! Spread the cards out on the table. Match the term up with the correct definition/description. Once you think you have them all correct, copy them into the chart below. Access It! 1. How do you determine the number of protons in an atom? _______________________________________ _________________________________________________________________________________________ 2. In order to have a stable atom, the protons and ____________________________________ must match. 3. Identify the location of each sub-atomic particle: A. electron-- ______________________________________________________________________________ B. neutron-- ______________________________________________________________________________ C. proton--________________________________________________________________________________ Organize it Definition/Description Cards THE BUILDING BLOCK OF ALL MOLECULES LOCATED WITHIN THE NUCLEUS OF THE ATOM AND HAS A POSITIVE CHARGE LOCATED WITHIN THE NUCLEUS AND HAS A NEUTRAL CHARGE LOCATED OUTSIDE THE NUCLEUS AND HAS A NEGATIVE CHARGE IS THE NUMBER OF PROTONS IN AN ATOM;; THS ALSO MATCHES THE NUMBER OF ELECTRONS WHERE THE ELECTRONS ARE FOUND IN AN ATOM CENTER OF THE ATOM WHERE PROTONS AND NEUTRONS ARE FOUND THE AMOUNT OF PROTONS AND NEUTRONS IN THE ATOM COMBINED Organize It Word Cards ATOM PROTON NUCLEUS NEUTRON ELECTRON ATOMIC NUMBER ATOMIC MASS ELECRON CLOUD
