Excited Atoms and the Fourth of July
1. What is light, and how do various colors of light differ?
2. What is going on at the level of atoms and molecules when fireworks produce colored light?
3. How does the instability of copper chloride at high temperatures ineterfere with its ability to emit blue
light?
3-1 How are the Elements Organized?
Objectives:
* Describe the organization of the modern periodic table.
* Use the periodic table to obtain information abour the properties of elements..
* Explain how the names and symbols of elements are derived.
* Identify common metals, nonmetals, and metalloids, and noble gases.
PROPERTIES OF ELEMENTS RELATE TO ATOMIC STRUCTURES
The periodic table shows all the elements
The periodic table is organized by properties
Group - a series of elements that form a column in the periodic table.
Period - a series of elements that form a horizontal row in the periodic table.
REGIONS OF THE PERIODIC TABLE
The periodic table contains regions of similar elements
Metals -
Nonmetals -
Metalloids -
Noble Gases -
Metals for the largest region of the table
Examples:
Nonmetals are the second largest region of the table
Examples:
Metalloids have properties of both metals and nonmetals
Examples:
Noble gases are on the far right of the periodic table
Examples:
Essential Elements - elements needed for health
Examples:
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Monday, June 30, 2008
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About Me
- Gary Hi10spro Sakuma
- I have played for 25 years and coached for the last 17 years--certified United States Professional Tennis Association Professional One--worked for Punahou Schools-voted the #1 Sports School in the United States, as a Program Supervisor, in charge of coaching the High Performance Players as well as coordinating programs for K-12 and Tennis Pro Education.
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