Match Each Term to Its Definition or Characteristic

Multiple Choice

Match each term to its definition or characteristic.
a.galactose
k.catalyst
b.electron
l.polar
c.radioactivity
m.buffer
d.proton
n.anion
e.amino group
o.enzymes
f.glucose
p.matter
g.compounds
q.neutron
h.carboxyl group
r.atomic weight
i.cation
s.fructose
j.glycogen
-An atom is stable when the outer shell contains how many electrons?

A) Four
B) Six
C) Eight
D) Twelve