11-22-11

Deca = 10

decagram
decalitre
decade

11-21-11

nona= 9
nonagram
nonaprism
nonagon

11-18-11

Octo= 8
Octogon,
Octapus,
October

11-17-11

hept= 7
heptad
heptads
heptagon

11-16-11

hex = six

Hexad

Hexads

Hexane

11-15-11

pent= five
pentacle
pentacles
pentad

11-14-11

tetra= four
allotetraploid
allotetraploidies
allotetraploids

11-11-11

tri= three
tricycle
trianagle
tri
a tirangle has three sides.

11-11-11

di = two
dimorphism
dicotyledon
diatomic

11-9-11

mono= one
 Monogyny
Monarchy
Monocle
A monocle is one eye glass.

11-8-11

10= Neon, Ar
20= Calcium,  Ca

11-5-11

fuuorine= F 9
potassium= K 19

11-3-11

Oxygen, 8, O
Ar, Argon, 18

11-2-11

Carbon= 6, C
S, sulfur, 16

11-1-11

5= boron B
P= phosphorus 15