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
-What distinguishes elements from compounds?

A) Elements can be broken down into two or more compounds.
B) Elements have only one kind of atom.
C) Elements do not combine with compounds.
D) Elements do not react with other elements.