There are slightly more than one-hundred elements known to exist. The smallest complete unit of an element that serves as the basic building block of matter is the
A. nucleus.
B. atom.
C. neutron.
D. proton.
The smallest complete unit of an element that serves as the basic building block of matter is the ATOM.
Question
Asked 10/25/2011 1:03:53 PM
Updated 6/28/2015 4:39:02 PM
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