Happy Periodic Table Day!!!

Today is Periodic Table Day! It is the day to honor the discovery and observation of chemical elements. There is a need worldwide, especially here in the United States for the teaching of chemistry is school, as the dwindling of the study over a period of years has surmounted. . .

Happy Periodic Table Day ! !

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A Brief History:
Origination: The periodic table has very a long history in the discovery of elements throughout several centuries and has impacted science several ways. Ancient man only knew of a few elements that we know of, but documentation is very limited. It has been documented that by 1st century A.D., mankind knew about the solid elements of gold, silver, copper, iron, lead, tin, mercury, sulfur, and carbon. Man never questioned the water, and air to find the gasses and liquids were in fact also elements and compounds. We do not have compounds without the elements. Over time, more and more elements have gotten added like arsenic, antimony, phosphorus, and zinc. By 1809, there were 47 discovered elements and by 1817, Johann Döbereiner started to organize the elements by specification and by properties. The first groups of three, or triads, were based on similar qualities.

The Creation of the Periodic Table:  On February 7, 1863, English chemist John Newlands published one of the first table of elements, dividing the known 56 elements into 11 groups based on the “Law of Octaves.”, which would be based on later technology of the electron shell limits. His table suggested was based on the element having similar properties to elements that were eight places before and behind it on the table. He left room for additional discoveries and predicted a discovery of Germanium, which was discovered much later.

Amending the Periodic Table: The periodic table became unusable as Newland’s version was outdated several times, and by 1869,chemist Dimitri Mendeleev published a new study developing a new periodic table with the new version arranging the elements based on atomic mass. By this time, science had only identified 60 of the over 100 elements we know today. There were more inaccuracies that he didn’t correct and Mendeleev made assumptions which caused elements to be placed incorrectly on the table. Mendeleev also predicted discoveries like Newlands and had five correct predictions, but the table was unstable. There were more discoveries and more tables. . .we had people like Scot William Ramsay’s between 1892 to 1910, then John William Strutt and Morris Travers. Additions kept surmounting, and we even had Frederick Soddy identify the much different properties of the noble gasses. In 1904, the Nobel Prize was awarded to Ramsay for discovering the five elements..

Amending the Periodic Table: In 1913, Henry Moseley, who was an experimental physicist, contributed the major development of the modern periodic table, by discovering that each element had a specific number of protons. He led to a discovery of four more elements from his notes that were later found, though not during his lifetime. Since the early 1900’s, the periodic table remains intact and largely unchanged. Some researchers suggest new approaches to the periodic table while maintaining its integrity, but the way it is presented turns out to be one of the most valuable tools in chemistry. The current table tallies the total of 118 elements.

Even More Resources: Your are able to visit the website PeriodicTableDay.org for more information concerning the get more information for all, including students. The day celebrates Mr. David T. Steineker–an author, inventor, and chemistry teacher at Jefferson County Public Schools in Kentucky who took the initiative to celebrate National Periodic Table Day based on John Newlands’ first table of the elements published on February 7, 1863.

Celebrated: Since 2016, February 7th every year!

A Few Facts:
I am sharing a few facts, and more, some trivia, some not trivial. . .

Even More Resources: I have the periodic table here for your reference:

Periodic Table.jpg

CLICK Image to Enlarge

The Present: The day serves to promote the challenges overcome to develop the modern periodic table. 

The Future: Chemistry deserves the attention of its future based on more student appeal. I remember chemistry sets, and I  think that they need attention by our upcoming student force, by offering of such by our children.

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National Periodic Table Day

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