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2014-07-02 20:11:59
2014-07-02 20:11:59

Dmitri Mendeleev made many predictions about the location of unknown elements on the periodic table. It would take 20 years for the undiscovered ekasilicon to be found and named Germanium.

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He said that three new elements would be discovered, and he described their properties


He said that te three new elements would be discovered, and he described their properties.


he predicted the places where he knew elements should be but he couldn't visibly see. Back when Mendeleev was alive, what you could not see you could not measure. This explains why he couldn't see the noble gasses.


He predicted that Three new elements would be discovered and he described their properties.


It's probably Mendeleev you're after. He came up with the first version of a Periodic Table of the elements, and used this to predict the properties of elements that hadn't been discovered at that time.


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Dmitri came from Tobolsk, Russia



Dmitri Mendeleev came up with the modern periodic table in 1869.


Mendeleev (or at least predicted its existence)


The discovery of germanium (which Mendeleev called "eka-silicon") and gallium (which he called "eka-aluminium"). He predicted a half-dozen or so new elements, and the properties he expected each of them to have, based on their position in his just-invented periodic table and the properties of the known elements around them. Both gallium and germanium were discovered within 10 years, and did indeed have at least approximately the properties he had predicted, serving as validation that he was on to something.


Yes it can reoccur years later. I had them 10 years ago and they came back this year after getting a sunburn which apparently triggered the new batch.


He came along 700 years later.


The Declaration of Independence was signed in 1776, the Emancipation Proclamation was proclaimed in 1863, so it came 87 years later (or as Abraham Lincoln said, four score and seven years later).


Dimitri Mendeleev, a Russian chemist in 1869.


He won the election for president in 1888, but four years later he lost to Grover Cleveland.


Simon predicts that Ralph will get back to where came from alright.


Many attempts were made by Dobereiner , Newlands and Mendeleev in initial stages. Later on , the idea of arranging elements in increasing atomic number came up which is the today's periodic table.


It took many years to discover these elements. Hundreds of thousands worked and arranged the Periodic Table of Elements.The basic design of the periodic table was thought up by Dmitri Mendeleev. It was his idea to arrange the elements according to atomic mass (because this gave repeating patterns of properties). Later it was discovered that atomic charge was what was really important. Eventually the gaps Mendeleev left were filled in by the discovery of more elements, so while many scientist contributed to the modern periodic table Mendeleev is considered to have invented it.


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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.


it was trams, horses and feet but cars came in much later.


English did not exist then. It came into being a couple of thousand years later.


King Kong in 1933 and Godzilla 21 years later




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