PACKET 4. Objectives 1. Explain how the atomic theory has been modified over time. 2. Describe the basic parts of the atom.

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Presentation transcript:

PACKET 4

Objectives 1. Explain how the atomic theory has been modified over time. 2. Describe the basic parts of the atom.

Wednesday! Turn to p. 318 in text Turn to p. 2 in packet Classwork for today: 1.) Reciprocal Read pp ) Finish “L” without the book 3.) Finish Phase Change Lab due end of class tomorrow

Objectives 3. Model atoms of various elements, explaining how atoms of different elements have different numbers of protons, neutrons, and electrons.

Objectives 4. Substances are often placed in categories if they react in similar ways. Examples include metals, nonmetals, and noble gases. 5. The periodic table is one useful model for classifying elements. The periodic table can be used to predict properties of elements (metals, nonmetals, noble gases). Turn to p. 336 in text Turn to p. 7 in packet

Objectives for Wednesday December 5th 6. Explain why elements within the same group or “family” react in similar ways. 7. Given a periodic table, predict the number of valence electrons in an atom. Before we begin, take the first five minutes to make sure pp are complete.

Objectives 8. Explain how very few elements are found in their pure form. 9. Explain how atoms join together. 10. Explain how the number of valence electrons in an element determines reactivity. Turn in the text to p. 364 Turn to pg. 13 in packet

Objectives 11. Define an ion as a charged atom. 12. Explain how ionic bonds join metal ions to non-metal ions.

Objectives 13. Define and give examples of molecules. 14. Describe how non-metal atoms share electrons through covalent bonds. Turn to pg. 15 in packet Turn to pg. 372 in textbook

Objectives 15. List signs that a chemical reaction is occuring. 16. Explain how interactions among atoms and/or molecules result in chemical reactions. Turn to pg. 18 in packet

Objectives 17. Describe and interpret chemical reactions using equations. 18. Make predictions based upon the Law of Conservation of Mass. Turn to pg. 392 in text Turn to pg. 19 in packet

Objectives 19. Define a polymer as a molecule made of many parts. 20. Give examples of polymers. Take out a half sheet of paper and your “Law of Conservation of Mass” Lab from yesterday

Objectives 21. Describe the characteristics of acids and bases. 22. List examples of acids and bases. Turn to p. 20 in packet