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Mendeleev was able to predict the properties of the yet unknown element (Germanium) by the properties of the surrounding known elements on his Periodic Table of the elements. Predicting properties such as reactivity, density, Atomic Mass, etc., he knew where the undiscovered element would be placed.
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Why did mendeleev not include germanium in the periodic table?
He could not because it had not yet been discovered when he created the table. However he was able to determine that an element was missing at that location and predict the properties it would have when it was discovered. When germanium was discovered and named, his predictions were found to be very accurate.
Why were element gallium and germanium important to mendeleev?
Gallium and germanium were important to Mendeleev because their properties fit well into his periodic table, filling the gaps he had predicted based on the patterns of other elements. The discovery and confirmation of these two elements helped validate his periodic law and strengthen his periodic table's credibility.
Why did Mendeleev leave a space for the unknown at the time element germanium in his periodic table?
Well, honey, Mendeleev left a space for germanium because he was a smart cookie who knew there was something missing in his periodic table. Turns out, germanium was later discovered and filled that gap, proving Mendeleev's intuition was spot on. So, he left that space like a boss, knowing someone would eventually fill it in.
Which discovery showed that Mendeleev was correct in organizing his table of elements according to properties?
The discovery of undiscovered elements with properties predicted by Mendeleev's periodic table (like gallium, germanium, and scandium) confirmed the accuracy of his organization. These elements filled gaps in the periodic table and established a pattern of periodicity that supported Mendeleev's initial insights.
What were the three missing elements in mendeleyev chart?
The missing elements that Mendeleev predicted in his periodic table were germanium, gallium, and scandium. Mendeleev left gaps in the table for these elements based on the patterns he observed in the known elements at the time.
How did Mendeleev predict germanium?
Mendeleev predicted the existence and properties of germanium by leaving gaps in his periodic table for elements that had not yet been discovered. He correctly deduced the properties of the missing element based on the pattern of elements around its position in the table. When germanium was discovered, its properties closely matched Mendeleev's predictions, confirming the validity of his periodic table.
Why did mendeleev not include germanium in the periodic table?
He could not because it had not yet been discovered when he created the table. However he was able to determine that an element was missing at that location and predict the properties it would have when it was discovered. When germanium was discovered and named, his predictions were found to be very accurate.
Why were the elements gallium scandium and germanium important to Medeleev?
Mendeleev used the properties of gallium, scandium, and germanium to predict their existence before they were discovered. Their discovery and properties helped confirm the accuracy of Mendeleev's periodic table and his periodic law. This further solidified Mendeleev's contributions to the development of the modern periodic table.
Why was the discovery of germanium important for Mendeleev's table?
The discovery of germanium was important for Mendeleev's periodic table because its properties matched the gaps he had predicted in his table. This provided evidence for the periodicity of elements and the accuracy of Mendeleev's arrangement. Germanium's discovery also helped validate the periodic law which states that the properties of elements are periodic functions of their atomic numbers.
Why were element gallium and germanium important to mendeleev?
Gallium and germanium were important to Mendeleev because their properties fit well into his periodic table, filling the gaps he had predicted based on the patterns of other elements. The discovery and confirmation of these two elements helped validate his periodic law and strengthen his periodic table's credibility.
What prediction did Mendeleev make that came true in less than 20 years later?
Mendeleev's prediction that there were elements missing from the periodic table was confirmed when gallium was discovered in 1875 and germanium in 1886, fulfilling the gaps Mendeleev had left in his periodic table.
Why did Mendeleev leave a space for the unknown at the time element germanium in his periodic table?
Well, honey, Mendeleev left a space for germanium because he was a smart cookie who knew there was something missing in his periodic table. Turns out, germanium was later discovered and filled that gap, proving Mendeleev's intuition was spot on. So, he left that space like a boss, knowing someone would eventually fill it in.
What year did mendeleev publish periodic table?
Mendeleev's published the periodic table in 1869.
Which discovery showed that Mendeleev was correct in organizing his table of elements according to properties?
The discovery of undiscovered elements with properties predicted by Mendeleev's periodic table (like gallium, germanium, and scandium) confirmed the accuracy of his organization. These elements filled gaps in the periodic table and established a pattern of periodicity that supported Mendeleev's initial insights.
When was germanium put on the periodic table?
It was discovered in 1886. Its chemical properties, which matched those predicted for ekasilicon by Mendeleev, were confirmed in 1887.
What was Dmitri Mendeleev first periodic table called?
Dmitri Mendeleev first periodic table is called Mendeleev's periodic table. Elements are arranged according to atomic mass.
What is the modern name for eka-silicon?
Ekasilicon is germanium['eka' is Sanskrit language for: 'first' place down under Si)Germanium was isolated in 1886, and provided the best confirmed prediction of Mendeleev's periodic table, which was built up before the discovery of Ge.(Professor Dmitri Mendeleev published the first Periodic Table of the Atomic Elements in 1869).When he proposed his periodic table, he noted some gaps in the table, and predicted that as-of-yet unknown elements existed with properties appropriate to fill those gaps.
