elements. objectives use a periodic table to name elements, given their symbols use a periodic table...
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Elements
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ElementsObjectives
Use a periodic table to name elements, given their symbols
Use a periodic table to write the symbols of elements, given their names
Describe the arrangement of the periodic table
List the characteristics that distinguish metals, nonmetals, and metalloids
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ElementsOdd Symbols
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ElementsRegions of the Periodic Table of the Elements
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ElementsPeriodic Table of the Elements
The vertical columns of the periodic table are called groups, or families
o Each group contains elements with similar chemical properties
The horizontal rows of elements in the periodic table are called periods
o Physical and chemical properties change somewhat regularly across a period
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ElementsTypes of Elements
Metal is an element that is a good electrical conductor and a good heat conductor
Properties of metals
o Most are solids at room temperatureo Malleable - they can be hammered or rolled into thin sheets o Ductile - they can be drawn into a fine wire o Conduct electricity and heat well
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ElementsTypes of Elements
Gold Copper Aluminum
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ElementsTypes of Elements
Nonmetal is an element that is a poor conductor of heat and electricity
Properties of nonmetals
o Many are gases o Solids are brittleo Poor conductors of heat and electricity
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ElementsTypes of Elements
Carbon Sulfur Phosphorus Iodine
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ElementsTypes of Elements
Metalloid is an element that has some characteristics of metals and some characteristics of nonmetals
Properties of metalloids
o All metalloids are solids at room temperature o Semiconductors of electricity
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ElementsTypes of Elements
Noble gases are the elements in Group 18 of the periodic table of the elements
Properties of noble gases
o Generally unreactive o Gases at room temperature
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ElementsTypes of Elements