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9 Cards in this Set

  • Front
  • Back
Ionization Energy
(PERIOD TREND)
INCREASES ACROSS A PERIOD
Most reactive nonmetals
Halogens
Atomic Radii
(GROUP TREND)
INCREASES DOWN A GROUP
Ionization Energy
(GROUP TREND)
DECREASES DOWN A GROUP (IN MAIN-GROUP ELEMENTS)
Atomic Radii
(PERIOD TREND)
DECREASES ACROSS A PERIOD
Metals tend to form
cations
Nonmetals tend to form
anions
cationic and anionic radii ___ across a period
decrease
cationic and anionic radii ___ down a group
increase