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CH 7 Ionic Bonding

Review of ions and ionic bonding

QuestionAnswer
ion that has a positive charge cation
ion that has a negative charge anion
states that 2 is the stable number of valence electrons duplet rule
states that 8 is the stable number of valence electrons octet rule
outermost electrons that determine chemical properties valence electrons
inner electrons core electrons
name of ions from group 7A / 17 halide
collective name of elements in group 17 / 7A halogens
naming of anions "ide" ending
naming of cations same name as the element
groups that produce cations ; lose electrons groups 1A , 2A , 3A
groups that produce anions; gain electrons groups 5A, 6A, 7A
tells the number of valence electrons group number
tells the number of total (all) electrons atomic number
change in the number of electrons ion
group that gains 2 electrons to become stable Group 6A
group that loses 2 electrons to become stable Group 2A
is the exception in group 8A Helium [He]
group that loses 1 electron to become stable Group 1A
group that gains 3 electrons to become stable Group 5A
group that loses 3 electrons to become stable Group 3A
"fast" method of predicting ionic compound formula Criss-Cross (Method)
"slow" method of predicting ionic compound formula Lewis Dot Structures (method)
is the exception in group 1A Hydrogen [H]
ions gain or lose to reach this group's electron configuration Noble Gases (8A)
is needed to know the charge of d block cations Roman Numeral
aka cations ; shiny, malleable, good conductors of heat/electricity metals
aka anions , dull, brittle , poor conductors of heat/electricity non-metals
Created by: cadetjt
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