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1.Why did Mendeleev leave gaps in his early periodic table and what was the ultimate importance of the gaps?
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How did chemists change Mendeleev's periodic table in early 1900s?
They used atomic number instead of Atomic Mass to organize the elements.
How did chemists change Mendeleev's periodic table in the early S's?
Sodium. Its found in all food everyday when in the compound NaCl, yet pure sodium will cause a giant explosion when placed in water.
Why did mendeleev organize the periodic table according to mass?
Back in Mendeleev's time (late 1800's), scientists knew nothing at all about quantum mechanics and the structure of the atom. Therefore, they didn't know about how each element is different by 1 proton as we go across a period. Instead, Mendeleev arranged the elements by atomic weight- which could be done using scales and mathematics. His predictions were largely accurate- and it's his version of the table that makes up the modern form today.
How were elements arranged on the early Periodic Table of Elements?
before it there was no organization, but the first periodic table was organized by atomic mass.
Did Maxwell create and early periodic table?
Maxwell is not a Russian scientist! It is the the brand name of an obsolete American automobile- popular with the comedian Jack Benny. Dimitri Mendeleev was the Russian scientist you seek. He died in l907. Mendeleev was a government scientist of the Imperial Bureau of Standards and as you stated he created the modern Periodic table of the elements- which is basic to the study of Chemistry. For some odd reason- maybe because he was a government scientist- he was never awarded the Nobel Prize in Chemistry despite being eligible as the prizes began in l900 and he lived until l907. One would think he was a Nobel candidate- with such a major contribution to chemistry- still in everyday use though new elements come up all the time!
Who developed an early periodic chart?
Dmitri Mendeleev
What did Dmitri Mendeleev do?
dimitri mendeleev was the father of the periodic table of elements
What did Mendeleevs periodic table look like?
It looks the same as it did when Mendeleev created it. There are no changes made to the table throughout the years because Mendeleev had predicted the correct placement for all of our current known elements.
Did a Russian the early periodic table?
The arrangement of chemical elements into the widely recognised periodic table was first devised by the Russian chemist Dimitri Mendeleev.
How did chemists change Mendeleev's periodic table in early 1900s?
They used atomic number instead of Atomic Mass to organize the elements.
What year was the periodic table published in?
The first slightly inaccurate Periodic Table of Elements was invented in the mid 1800's. Then Henry Mosley found the mistakes and re-corrected them in the early 1900's, which now is our current periodic table that we use.
What is the important work of dmitr mendeleev?
he invented an early version of the periodic table, and was able to use it to predict what unfound elements properties would be he follow the periodic law and place the similar elements according their mass number.
Maxwell a Russian scientist created an early periodic table of elements?
Dmitri Mendeleev was the Russian chemist who developed the periodic table of elements. He accomplished most of his work during the 1860s. In 1869, he invented a method of arranging the elements that were known at that time in order of their atomic weights.
Who is Dmitri Mendeleev?
He proposed one of the early versions of the Periodic Table. He arranged the elements in the increasing order of their increasing Atomic Mass and repeating properties.
Who created an early periodic table of elements?
This is from wikipedia: Although precursors to this table exist, its invention is generally credited to Russian chemist Dmitri Mendeleev in 1869, who intended the table to illustrate recurring ("periodic") trends in the properties of the elements.
How did chemists change Mendeleev's periodic table in the early S's?
Sodium. Its found in all food everyday when in the compound NaCl, yet pure sodium will cause a giant explosion when placed in water.
Why did Mendeleev leave blanks in his early version of the periodic table?
At the time the periodic table was first devised, there were many elements that had not yet been discovered. Their existence could be inferred, but they couldn't actually be put into the table until they were discovered.When the periodic table was first devised, there were lots of elements that had not been discovered yet.
