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What did Dmitri Mendeleev find when he organized the elements by mass?
Wiki User
∙ 11y ago
I believe the correct answer is he was able to predict the existence of yet undiscovered elements, due to the gaps. For instance, I believe germanium was one of the elements undiscovered in the table, its placeholder was called ekasilicon.
Wiki User
∙ 11y ago
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Why did Dmitri make the periodic table?
Dmitri Mendeleev arranged the elements known at that time in the increasing order of atomic masses and repeating properties, so that it is easier to classify and study the properties of the elements.
Who created the periodic table?
The first periodic table was developed by Dmitri Mendeleev in the mid-19th century.He wasn't the only person thinking along those lines ... both John Newlands and Lothar Meyer had proposed similar ideas However, Newlands was largely criticized and ignored at the time, and Meyer didn't make any predictions, so Mendeleev's table (which did make predictions about the properties of several as-yet-undiscovered elements) is generally regarded as the first.
Can you find any cases in the first 90 elements where consecutive elements do not have increasing atomic weights?
Yes, there are several. These exceptions were confusing at first to Dmitri Mendeleev when he was organizing the first periodic table. They are: argon-potassium, cobalt-nickel, copper-zinc, tellurium-iodine.
Who was the first person to publish a periodic table?
The person credited with making the first periodic table is Dmitri Mendeleev, published officially in 1869. However, he only created the first periodic table similar to the one we use today. Alexandre-Emile Béguyer de Chancourtois was the first person to see the similarities between groups of elements. He made the earliest attempt at a kind of table to sort the elements. This table was called the Vis Tellurque, or the Telluric Helix, and it was published in 1863. Lothar Meyer, a German chemist, had also been working on a table, unknown to Dmitri. However, Lothar's table only included 28 elements. Although he published his work in 1864, you will find very few historians that will tell you that he made the first table, since his was so incomplete at the time. Since you are looking for the first person to PUBLISH a table, the best answer would be Alexandre, but the other two would probably work just as well.
How many elements were on the first Periodic Table?
The initial development of the Periodic Table was attriibuted to Russian scientist, Dmitri Mendeleev.The first Periodic Table was published by Mendeleev in1869 and comprised 63 elements, arranged by their atomic masses and according to the increasing number of protons in their nucleus.
Why did Dmitri make the periodic table?
Dmitri Mendeleev arranged the elements known at that time in the increasing order of atomic masses and repeating properties, so that it is easier to classify and study the properties of the elements.
What evidence did Dmitri mendeleev find on the impact of the development of the periodic table?
Non
Who created the periodic table?
The first periodic table was developed by Dmitri Mendeleev in the mid-19th century.He wasn't the only person thinking along those lines ... both John Newlands and Lothar Meyer had proposed similar ideas However, Newlands was largely criticized and ignored at the time, and Meyer didn't make any predictions, so Mendeleev's table (which did make predictions about the properties of several as-yet-undiscovered elements) is generally regarded as the first.
Why did mendeleev leave gaps in the table?
Scientists suggest Mendeleev left gaps in the periodic table because Mendeleev knew the elements existed; however, was unable to prove it.
What did mendeleev use to find the elements with?
i need help
Can you find any cases in the first 90 elements where consecutive elements do not have increasing atomic weights?
Yes, there are several. These exceptions were confusing at first to Dmitri Mendeleev when he was organizing the first periodic table. They are: argon-potassium, cobalt-nickel, copper-zinc, tellurium-iodine.
Who was the first person to publish a periodic table?
The person credited with making the first periodic table is Dmitri Mendeleev, published officially in 1869. However, he only created the first periodic table similar to the one we use today. Alexandre-Emile Béguyer de Chancourtois was the first person to see the similarities between groups of elements. He made the earliest attempt at a kind of table to sort the elements. This table was called the Vis Tellurque, or the Telluric Helix, and it was published in 1863. Lothar Meyer, a German chemist, had also been working on a table, unknown to Dmitri. However, Lothar's table only included 28 elements. Although he published his work in 1864, you will find very few historians that will tell you that he made the first table, since his was so incomplete at the time. Since you are looking for the first person to PUBLISH a table, the best answer would be Alexandre, but the other two would probably work just as well.
Who invented piriodic table?
Dmitri Mendeleev created the first periodic table according to atomic mass in 1869. Others before Mendeleev had organized the elements according to their properties and were able to discern periodicity, although Mendeleev is generally accepted as the creator of the table.With the information he gathered about the elements, he was able to see that there were missing elements that hadn't been discovered. He could figure out the atomic masses of the missing elements by averaging the atomic masses of the elements above and below the missing one. One such element, which he called "eka-silicon" (eventually Ge) was missing, but with understanding of the patterns the periodic table made, he predicted the elements appearance, melting point, atomic mass, density, formula of oxide, and formula of chloride.Throughout the years, other scientists were able to find or create these missing elements to form the table we know today. Today's periodic table is ordered by atomic number instead of atomic mass (as Mendeleev had started). Henry Moseley was the first to order the elements by atomic number so elements would fit together in groups/families and periods better in 1913.
How many elements were on the first Periodic Table?
The initial development of the Periodic Table was attriibuted to Russian scientist, Dmitri Mendeleev.The first Periodic Table was published by Mendeleev in1869 and comprised 63 elements, arranged by their atomic masses and according to the increasing number of protons in their nucleus.
Did Dmitri mendeleev find mendelevium?
Mendeleev came in a much earlier historical period than the discovery of mendelevium, which is named in his honor, because of his enormously important contribution to the science of chemistry.
What did dimetri mendeleev find out about the periodic table?
Mendeleev arranged the elements in a table ordered by atomic mass, corresponding to relative molar mass as defined today.
What year did Dmitri Mendeleev create the periodic table?
It was created in 1869 gezz people yall find answers out yall self im doing a project on him
