1. PERIODIC TABLE DATA SHEET
 group, family: same number of valence electrons
 period, series: same number of principle energy levels
Group number
&
name 1
alkali 2
alkaline
earth
3-12 transition element 13 14 15 16
17 halogen
18 noble gases
colorless
odorless
gases
Gain,
Lose or
Share e-
lose 1 e-
lose 2 e-
lose 1, 2, 3, or 4 e-’s Al
lose
3 e-
C, Si
share only
gain 3e- or share
gain 2e- or share
gain 1e- or share
nothing (octet present)
Ion 1+ 2+
1+, or 4+ 3+
cations
anions 3- 2- 1-
none
Bond Type
ionic
metallic
every-thing
covalent
inert
nonmetals
Physical Characteristics
metals
metalloids
dull, brittle,
insulators
metalloids
luster, conductors (heat & electricity),
ductile, malleable, tenacious
Si = semiconductor