physical science. dmitri mendeleev created his table in 1869. ◦ mendeleev’s scheme was based on...
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![Page 1: Physical Science. Dmitri Mendeleev created his table in 1869. ◦ Mendeleev’s scheme was based on chemical properties of the elements. ◦ It was noticed](https://reader030.vdocuments.mx/reader030/viewer/2022020320/56649f505503460f94c72577/html5/thumbnails/1.jpg)
Physical Science
![Page 2: Physical Science. Dmitri Mendeleev created his table in 1869. ◦ Mendeleev’s scheme was based on chemical properties of the elements. ◦ It was noticed](https://reader030.vdocuments.mx/reader030/viewer/2022020320/56649f505503460f94c72577/html5/thumbnails/2.jpg)
Dmitri Mendeleev created his table in 1869.
◦ Mendeleev’s scheme was based on chemical properties of the elements.
◦ It was noticed that the chemical properties of elements increased in a periodic manner.
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Elements with common properties are near each other.
We can use the periodic table to predict behaviors of elements.
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Element symbols have ONE or TWO letters.
Names are based on their Latin names.
Letters are color coded.◦ Black >> Solid◦ Blue >> Liquid◦ Red >> Gas
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Elements that have similar physical and chemical properties end up in the same row.
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Elements in a group/family have similar physical and chemical properties.
Each group/family on the PTE can be identified by a number.
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Identified by a number and a letter.◦ Numbers◦ Letters >> A or B
Group A elements are called the Representative Elements.◦ Have a wide range of physical and chemical
properties.
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Metals◦ High conductivity and luster (shiny)◦ Mostly solids
Nonmetals◦ Poor conduction and non-lustrous◦ Mostly gases◦ Includes Hydrogen
Metalloids◦ Border the black “stairs” line◦ Properties between Metals and Nonmetals
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Alkali Metals◦ Group 1A
Alkaline Earth Metals◦ Group 2A
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Halogens◦ Group 7A
Noble Gases◦ Group 8A
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Transition Metals◦All Group B
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Elements that border the heavy stair line.