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Charles Janet's Left Step Periodic Table

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sarah peterson

on 11 November 2015

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Transcript of Charles Janet's Left Step Periodic Table

- Displays the elements in one continuous sequence without any gaps or interruptions

- Displays the order of orbital filling more clearly than the conventional form

- Arranged by increasing atomic number
Charles Janet
June 15, 1849 – February 7, 1932
"Alternative Periodic Tables." Wikipedia. Wikimedia Foundation, n.d. Web. 8 Nov. 2015. <https://en.wikipedia.org/wiki/Alternative_periodic_tables#Left_step_periodic_table_.28Janet.2C_1928.29>.

"Charles Janet." Wikipedia. Wikimedia Foundation, n.d. Web. 08 Nov. 2015. <https://en.wikipedia.org/wiki/Charles_Janet>.
Charles Janet was a French engineer, company director, inventor and biologist. Janet graduated from the École des Mines. He worked for his father in law's manufacturing company and collected fossils and other specimens.

Charles Janet's Left Step Periodic Table
Left Step Periodic Table
The Left Step Periodic Table was devised by Janet in 1929 to create a simpler and more straightforward periodic table. The Left Step Periodic Table organizes elements according to orbital filling and is widely used by physicists. It showcases which electron shells are filled, from top to bottom.
- Does not have a smooth transition from metals to nonmetals

- Helium is moved from its place with the noble gases
by: sarah peterson
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