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(trends (electron configuration ((examples (group 1 unstable, group 18…
trends
electron configuration
each fam shares siliar properties
examples
group 1 unstable
group 18 stable
ionization energy
ammount of energy needed to take or give an electron
electronegativity
def
ability to attract
nonmetals are higher
left to right gets smaller
top to bottom get bigger
H is smallest - Fr is biggest
important people who worked on periodic table
mendeleev
dobreiner
henry mosley
lothar meyer