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Michael D. Eisner College of Education

California Science Project

Periodic Table

8-7. The organization of the periodic table is based on the properties of the elements and reflects the structure of atoms. As a basis for understanding this concept:

8-7-a. Students know how to identify regions corresponding to metals, nonmetals, and inert gases.

5-1-c Students know metals have properties in common, such as high electrical and thermal conductivity. Some metals, such as aluminum (Al), iron (Fe), nickel (Ni), copper (Cu), silver (Ag), and gold (Au), are pure elements; others, such as steel and brass, are composed of a combination of elemental metals.

8-7-b. Students know each element has a specific number of protons in the nucleus (the atomic number) and each isotope of the element has a different but specific number of neutrons in the nucleus.

8-7-c. Students know substances can be classified by their properties, including their melting temperature, density, hardness, and thermal and electrical conductivity.

5-1-i Students know the common properties of salts, such as sodium chloride (NaCl).