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What was true about the elements that would later be put in those gaps?

Updated: 8/21/2019
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Mikereis188

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9y ago

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When Mendeleev proposed his Periodic Table, he noted gaps in the table, and ... Initial versions of the periodic table did not give the rare earth elements the ... that these atomic elements would be discovered, that he included them in later.

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Q: What was true about the elements that would later be put in those gaps?
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Related questions

Why was leaving spaces and gaps in the periodic table later vindicated?

Those gaps were later filled by elements discovered after the creation of the table, which justified the gaps being left for that purpose.


What was unique about the gapes in his periodic table?

The gaps were left for elements which were not discovered at that time. The properties which were estimated for the elements at that time was same as found later in those elements.


How did the gaps on the periodic table help scientists look for undiscovered elements?

The gaps estimated their chemical properties.The elements when discovered were found to have those properties.They were then placed in these gaps.


What was Mendeleev able to do with the gaps he left in the periodic table?

Mendeleev left those gaps for the elements which were not discovered at that time. He named those elements like eka-aluminium,eka -silicon etc.


What did the gaps on Mendeleev's tabel represent?

He predicted that elements with the predicted properties would be discovered to fill in these gaps.


What did Mendeleev predict about the periodic table?

The gaps in the first periodic elements described those elements which were not discovered at that time. Eg-silicon,germanium etc


Why did Dmitri Mendeleev leave some squares in his table blank?

Mendeleev left some gaps in his table for the elements which were not discovered at that time.Those elements were later found as silicon,gallium,germanium which were then filled in the gaps


What do the gaps on the periodic table represent?

The gaps represented the elements which were not discovered. When the elements were invented, they were placed into these gaps.


Why did Mendeleev leave gaps in the periodic table at first?

Because at that time there were no known elements to fill those gaps. The fact that they were filled indicated the power of his classification method. When a scientific theory predicts things clearly and these are later found, the theory becomes validated.


How was Menndeleyev able to predict the existence of elements that had not yet been discovered?

Mendeleev left gaps for undiscovered elements. He predicted their properties which were found to be accurate later.


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 is the main contribution of Dmitri Mendeleev in modern chemistry?

He made the periodic table. When he found gaps he said there were unknown elements, he was right and those elements were found in his lifetime.Mendeleev was the first person to organize the elements into what we would recognize as a version of the modern periodic table.