The analogy that forms the basis of the octet rule compares covalent valence electron arrangements to:
a. sigma and pi bonds.
b. orbital overlap electron densities.
c. noble gas electron configurations.
d. the hydrogen molecule.

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Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

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