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(Date) Matter: The Periodic Table Session 4

(Date) Matter: The Periodic Table Session 4. Warm Up : . List 3 types of metal: What are some uses for metal? What is the difference between the atomic number and the atomic mass (or atomic weight?). Page #.

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(Date) Matter: The Periodic Table Session 4

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  1. (Date) Matter: The Periodic Table Session 4 Warm Up : • List 3 types of metal: • What are some uses for metal? • What is the difference between the atomic number and the atomic mass (or atomic weight?) Page #

  2. http://www.youtube.com/watch?v=Uy0m7jnyv6U They might be giants meet the elements

  3. How is the Periodic Table Arranged? • Elements are arranged left to right and top to bottom in order of increasing atomic number. • This order usually coincides with increasing atomic mass, or weight.

  4. You've got Your Periods... • The horizontal rows are called periods. • Even though they skip some squares in between, all of the rows go left to right. When you look at a periodic table, each of the rows is considered to be a different period (Get it? Like PERIODic table.) • quoted fromhttp://www.chem4kids.com/files/elem_pertable.html

  5. And you’ve got your Groups… • The periodic table has a special name for its columns, too. When a column goes from top to bottom, it's called a group. • Elements in the same group have similar chemical and physical properties, they also have a tendency to form similar chemical bonds. • quoted fromhttp://www.chem4kids.com/files/elem_pertable.html

  6. Other than Periods and Groups, the Table can be divided into Families • Elements on the Periodic Table are grouped into families based on their chemical properties. • Elements in each family react differently with other elements.

  7. The Three Main Families: Metals, Nonmetals, and Metalloids

  8. Metals: The Biggest Group • Metals have a shiny luster and often look metallic, like a nail. Metals are good conductors of heat and electricity. Most metals are also ductile: they can be pulled into a wire like Copper. Metals are malleable: they can be pounded or flattened into thin sheets like Aluminum Foil. And, most are solid at room temperature (except for Mercury.)

  9. Nonmetals • Nonmetals have almost the opposite properties of metals. These elements are dull, or lackluster. Nonmetals are insulators and do not conduct heat or electricity well. Elements that are nonmetals are brittle and break easily, so they cannot be made into wires or sheets. Many are gases at room temperature. Over 97% of your body is made of nonmetals.

  10. Metalloids • Metalloids have physical properties similar to both metals and nonmetals. Like metals, metalloids conduct heat and electricity (but not as good as metals.) All metalloids are solids at room temperature.

  11. Time for a Study Jam • http://studyjams.scholastic.com/studyjams/jams/science/matter/periodic-table.htm Study Jams Periodic Table

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