a: periodic table ~
b: contour map
What:
"The periodic table is like the contour map in the back of history class, the list of all of chemistry's building blocks with the properties that make them unique. Each element has a label: one or two letters alongside their atomic number 1 through 118, representing the number of protons in the atom's positively ..."
Useful?
Writer: Ryan F. Mandelbaum
LCC:
Where:
Date: Dec 17 2017 11:17 AM
# 11689 Critique Analogy