Match Each Term to Its Definition or Characteristic

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
-Electrons are found

A) orbiting around the nucleus in circular paths.
B) moving around the nucleus in concentric clouds.
C) in individual clouds (one electron per cloud) that orbit the nucleus.
D) in fixed positions on the rings that surround the nucleus.