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Periodic table (trends (Electronegativity (Def:The ability to attract…
Periodic table
trends
the number of electrons in the outer most orbital diciate properties
electron configurations
each family shares similiar properties
examples
Group 1
group 2
Atomic Radius vs. atomic number
PT: l->Elements gets smaller
Ionization energy
Def: the amount of energy needed to remove an electron
Trend:L->-energy need increases T->-Energy need decrease
Electronegativity
Def:The ability to attract other electrons
Trends:Nonmetals will have higher electronegativily
Trend:Metals will have a low Electronegativily
Important people of the pediorictable
Mendeleev
Dobereiner
lothar Meyer
Families on the pedroictable