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Mendeleev left gaps in his Periodic Table to accommodate elements that had not yet been discovered but were predicted based on the properties and trends he observed in known elements. He used these gaps to suggest the existence of new elements and even predicted their properties, which guided future discoveries. This foresight demonstrated the periodic law and reinforced the table's organizational structure, ultimately leading to the identification of elements such as gallium and germanium.
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What values was there in predicting the properties for gaps in Mendeleev and table?
DiscoVery of new elements
What eventually happened to the gaps left in the periodic table left by Mendeleev?
The gaps in the periodic table left by Mendeleev were eventually filled in as new elements were discovered. Scientists continued to study and experiment, leading to the discovery and verification of elements that fit into the empty spaces in the periodic table.
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 value was true in predicting the properties for gaps in mendeleev's table?
The value of predicting the properties for gaps in Mendeleev's table was in providing a systematic way to identify missing elements and their properties based on the known trends of elements within the table. This predictive power allowed for the discovery and confirmation of new elements that filled the gaps, contributing to the organization and understanding of the periodic table.
Periodic table what was missing at first?
When the periodic table was first created by Dmitri Mendeleev in 1869, there were some gaps or missing elements that had not yet been discovered. Mendeleev left spaces in his table for these unknown elements, accurately predicting both their properties and where they would be located in the table once they were discovered. Over time, these missing elements, such as gallium and germanium, were discovered and filled in the gaps as Mendeleev had predicted.
What value was there in predicting the properties for gaps in Mendeleev's table?
DiscoVery of new elements
What values was there in predicting the properties for gaps in Mendeleev and table?
DiscoVery of new elements
What element, when discovered, empirically supported Mendeleev's table?
The element gallium, discovered in 1875, empirically supported Mendeleev's periodic table by fitting into the predicted gaps in the table based on its properties.
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 eventually happened to the gaps left in the periodic table left by Mendeleev?
The gaps in the periodic table left by Mendeleev were eventually filled in as new elements were discovered. Scientists continued to study and experiment, leading to the discovery and verification of elements that fit into the empty spaces in the periodic table.
From gaps in his table mendeleev predicted the existence of several elements and their?
properties. Mendeleev's periodic table had gaps for elements that had not been discovered yet, but he was able to predict their properties based on the patterns of the elements surrounding the gaps. This led to the discovery of new elements like gallium, germanium, and scandium.
What was Mendeleev's prediction?
Professor Dmitri Mendeleev published the first periodic table of chemical elements in 1869 based on properties which appeared with regularity. He noted gaps in the table, and predicted that as-of-yet unknown elements existed with properties appropriate to fill those gaps.
What Mendeleev's prediction?
Professor Dmitri Mendeleev published the first Periodic Table of chemical elements in 1869 based on properties which appeared with regularity. He noted gaps in the table, and predicted that as-of-yet unknown elements existed with properties appropriate to fill those gaps.
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 value was true in predicting the properties for gaps in mendeleev's table?
The value of predicting the properties for gaps in Mendeleev's table was in providing a systematic way to identify missing elements and their properties based on the known trends of elements within the table. This predictive power allowed for the discovery and confirmation of new elements that filled the gaps, contributing to the organization and understanding of the periodic table.
Describe two differences between Mendeleev's periodic table and the modern periodic table?
There are more elements and it's organized differently
Periodic table what was missing at first?
When the periodic table was first created by Dmitri Mendeleev in 1869, there were some gaps or missing elements that had not yet been discovered. Mendeleev left spaces in his table for these unknown elements, accurately predicting both their properties and where they would be located in the table once they were discovered. Over time, these missing elements, such as gallium and germanium, were discovered and filled in the gaps as Mendeleev had predicted.
