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20 terms

"A" Ions

STUDY
PLAY
i
+1
ii
+2
iii
+3
iv metal
+2, +4
iv nonmetal
-4
v metal
+3, +5
v nonmetal
-3
vi metal
+4, +6
vi nonmetal
-2
vii metal
+5. +7
vii nonmetal
-1
viii
0
negative
If a substance ends in -ide...
groups
columns, tells the # of electrons in the valence (outer) level
periods
rows, tells the # of energy levels
nonmetals
gain electrons, become negative
metals
lose electrons, become positive
alkali metals
hydrogen, lithium, sodium, potassium, rubidium, cesium, francium (+1)
alkaline earth metals
beryllium, magnesium, cadmium, strontium, barium, radium (+2)
halogens
fluorine, chlorine, bromine, iodine