​​Match Each Item with the Correct Statement Below

​​Match each item with the correct statement below.
-the smallest unit of a chemical element

A) ​absolute pressure
B) atom
C) ​atmosphere
D) barometer
E) buoyant force
F) ​electron
G) gas
H) ​gauge pressure
I) liquid
J) ​mixture
K) molecule
L) neutron
M) plasma
N) proton
O) specific gravity