Name ______________ Class Period ____ Atoms and Elements Review Learning Targets 1-3 Learning Target 1: I can identify the parts of an atom based on Rutherford’s Model. 1. List 3 discoveries Rutherford made about the atom. Explain the evidence that supported Rutherford's findings. `1. 2 3 2. In our cardboard experiment, the cardboard represented which part of Rutherford’s experiment? 3. In our cardboard experiment, what did tracing the path of the marble on paper represent? 4. In our cardboard experiment, what did the wooden geometric shape represent? Learning Target 2: I can identify the parts of an atom, their location, masses, and charges and can explain what holds the atom together. a. protons b. neutrons c. electrons _____5. Which atomic particle has almost zero mass? _____6. Which particle is similar in mass to the neutron? _____7. Which particle is responsible for reactivity in the atom? a. protons b. neutrons c. electrons _____8. Which particle identifies the atom? _____9. Which particle helps to hold the nucleus together? ____10. Which particle has no charge? ____11. Which particle has a positive charge? ____12. Which particle has a negative charge? ____13. Which particle(s) contributes to the mass of an atom? In atom builder, you made models of atoms. Use the element card information to 22. Explain what holds the atom together. Complete the chart. Particle Location Charge Relative Size Relative Mass Learning Target 3: I can define and apply the definition of an element. 23. What is an element? 24. What particle is responsible for identifying an atom? Use the cards to answer the questions that follow. 25. How many different elements are represented in the cards above? How did you determine the number of elements? 26. Use a periodic table to list each element symbol that is represented in the cards above and the atomic number of each (# of protons).