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Why was mendeleev unable to make any predictions about the noble gas elements?
Wiki User
∙ 9y ago
The reason that Mendeleev didn't make any predictions about the gases was that these gases were not even discovered yet, therefore it was impossible for Mendeleev to make predictions.
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Dmitri Mendeleev made his predictions on what would fill the gaps on his far from perfect Periodic Table. He predicted their sizes, weights, appearances, etc.
I think the reason he didn't make predictions is because noble gases are not visible, and weightless.
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Mendeleev couldn't predict the noble gases' properties because their existence wasn't known, as implied above.
Argon, a noble gas, was noticed twenty-five years later by John William Strutt and Sir William Ramsey (the names are not really important).
It doesn't matter that the elements weren't discovered. That's the whole point of arranging the elements. To PREDICT the properties of the missing/unknown ones.
Wiki User
∙ 9y ago
Wiki User
∙ 13y agocause they werent discovered yet
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Why couldn't Mendeleev predict the existence of the noble gases in the periodic table of elements?
He could predict other elements because there was an obvious gap, but he couldn't predict the noble gases because he didn't realize that there was going to be an 18th group since none of them were yet discovered. When he first started organizing the periodic table, the pattern still made sense even without the noble gases.
Why did Mendeleev's periodic table not contain the noble gases?
Because noble gases were not discovered when Mendeleev formulated his periodic table
What family are the noble gases in?
Noble gases are in the group 18 of the periodic table of Mendeleev.
What pattern did Mendeleev find while organizing information on the elements Answer NOW?
Mendeleev was the scientist who first devised the periodic table of the elements. The pattern he found was that elements have periodic, or repeating series of properties. If you write down the elements in a series according to increasing atomic number, there is a repeating pattern; first metals, then nonmetals, then noble gases, then back to metals. This pattern helps us to understand why elements have the particular chemical properties that they have. It is fundamental to the science of chemistry.
How did Dmitri Mendeleev discover the periodic table with noble gases?
When Mendeleev proposed his periodic table, the noble gases had not been discovered, so they did not play a part in his development of the periodic table.
What group of elements did Mendeleev omit?
i have no idea but i will check and keep you posted.
Name three sets of elements added to the periodic table after mendeleev's time?
Mendeleev predicted three elements namely Eka- aluminum (which turned out to be Gallium), Eka- boron (which turned out to be Scandium) and Eka- silicon (which turned out to be Germanium). Though these three elements are very famous, Mendeleev also predicted Eka- manganese (which turned out to be Technetium).
Which groups of elements contains only noble gases?
This is the group 18 of the periodic table of Mendeleev.
Why couldn't Mendeleev predict the existence of the noble gases in the periodic table of elements?
He could predict other elements because there was an obvious gap, but he couldn't predict the noble gases because he didn't realize that there was going to be an 18th group since none of them were yet discovered. When he first started organizing the periodic table, the pattern still made sense even without the noble gases.
Classification of nitrogen?
Noble gases are chemical elements placed in the group 18 of the periodic table of Mendeleev.
Why was mendeleev better than john newlands?
mendeleev was better than john newlands because he gave all the elements systematical manner . he showed 80 elements except the noble gas and inert gas but newlands gave this but in improper manner because of this mendeleev was better
What proved that Mendeleev was right?
The validity of the periodic table of elements, which was originally devised by Mendeleev, has been confirmed by a vast body of chemical research. It would not be an exaggeration to say that everything in the science of chemistry conforms to Mendeleev's theory.
What were the three missing elements in the periodic table?
See "Mendeleev's predicted elements" in Wikipedia The answers are: scandium (Sc - 21), gallium (Ga - 31), technetium (Tc - 43), and germanium (Ge - 32) He temporarily named them to be: ekaboron (Eb), ekaaluminium (El), ekamanganese (Em), and ekasilicon (Es).
Why did Mendeleev's periodic table not contain the noble gases?
Because noble gases were not discovered when Mendeleev formulated his periodic table
What are the elements whose discovery added an entirely new row to Mendeleev's periodic table?
The Noble Gases, It added a new "Group" to the periodic Table.
What is radon's classification?
Radon is the heaviest member of the noble gases group.Position in the Mendeleev periodic table of the elements: group 18, period 6, block p.
What family are the noble gases in?
Noble gases are in the group 18 of the periodic table of Mendeleev.
