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A Different Approach to a 3-D Periodic System Including Stable Isotopes

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Alexandru T. Balaban

Organic Chemistry Department, Polytechnic University, Bucharest, Romania

J. Chem. Educ., 1999, 76 (3), p 359

DOI: 10.1021/ed076p359

Publication Date (Web): March 1, 1999

Section:

History, Education, and Documentation

Abstract

On a Periodic System with the two dimensions represented by Periods and Columns, one may stack each stable nuclide of an element along the third dimension. This "Downtown Area" representation is helpful for interconnecting concepts of: element, isotope or nuclide (stable vs. radioactive), atomic weight, atomic number, mass number.

Keywords (Audience):

High School / Introductory Chemistry

Keywords (Domain):

Inorganic Chemistry

Keywords (Subject):

Periodicity / Periodic Table

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Received: August 03, 2009

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A Different Approach to a 3-D Periodic System Including Stable Isotopes