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| States that when the elements are arranged by increaseng atomic number there is a periodic repetition of their properites |
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| a vertical column of elements in the periodic table arranged in order of increaseing atomic numbers |
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| a horizontal row of elemants in the moderen periodic table |
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| elements from groups 1, 2, and 13-18 in the moderen periodic table possesing a wide range of chemical and physical properties |
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| elements in groups 3-12 of the moderenperiodic table and are further divided into transition metals and inner transition metals |
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| an element that is solid at room tempertaure , a goodconductor of heat and electricity and gennerally shiny;most metals are ductile and malleable |
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| group 1 elements except for hydrogen they are reactive and usually exist as compounds with other elements |
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| group 2 elemnts th in the moderen periodic tasome ble and are highly reactive |
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| an element in in groups 3-12 that is contained in the d-block of periodic table and with exceptions is characterized by a filled outermost s orbital of energy level n and filled or partially filled d orbitals of energy energy level n-1 |
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| a type of group b elements that is contained in the f-block of the periodic table and is characterized by a filled outermost orbital, and filled or partially filled 4f and 5f orbitals |
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| in periodic table the f-block elements from period 6 that follow the element lanthanum |
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| in the periodic table f-block elements from period 7 that followed the elements actiumum |
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| elements that are generally gases or dull brittle solids that are poor conductors of heat and electricitry |
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| a highly reactive group 17 element |
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| an exetremly unreative group 18 elements |
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| a metal that has physical and chemical properties of both metals and nonmetals |
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| an atom or bonded group of atoms with a positive or negative charge |
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| the energy required to remove an electron from gases atom; generally ib=ncreases in moving from left to right across a period and decreases in moving down a group |
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| states that atoms lose, gain or shareelectrons in order to aquire the stable elctron configuration of noble gas |
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| indicates the reliative ability of an elements atoms to attract electrons in a chemical bond |
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