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An elements property can be best predicted from the group it is in the Periodic Table. Groups (the columns of the tables) of elements have similar properties due to their similar electron configuration of the valence shell.
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What kinds of predictions did Mendeleev make using his table?
By placing the elements in order of their Atomic Mass then grouping them based on similar chemical properties, Mendeleev recognized that there were gaps in the pattern he made where elements should be. He predicted there were some elements yet to be discovered and predicted their chemical properties. The elements he predicted were later discovered and named germanium, gallium, and scandium.
What are some of the uses of the periodic table of elements?
- allowed rational ordering of chemical elements- predicted the properties of unknown elements- the chemical behavior of chemical elements can be predicted- the atomic radius can be predicted- the melting point can be predictedand more
What properties can be predicted by the elements place on the periodic table?
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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.
The usefulness of Mendeleev's periodic table was comfirmed by?
Mendeleev's periodic table was confirmed to be useful because it accurately predicted the properties of elements that had not been discovered at the time. When new elements were discovered and found to fit into the gaps Mendeleev had left, it provided strong evidence for the effectiveness of his periodic table in organizing elements based on their properties. This confirmed the periodicity of elements and highlighted the power of the periodic table as a tool for understanding and predicting the behavior of elements.
How did this Russian scientist first arrange the elements?
Dmitri Mendeleev arranged the elements in his periodic table based on their atomic masses and chemical properties. He left gaps for undiscovered elements and predicted their properties accurately.
How did Mendeleev list the elements?
The most important principle was the listing in groups, after similar chemical or physical properties.
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.
How can an elements propertes be predicted?
An element's properties can be predicted based on its position in the periodic table, which is organized by increasing atomic number and similar chemical behavior. Elements with similar properties tend to be grouped together in columns, called groups, and rows, called periods. The arrangement of elements in the periodic table allows scientists to make predictions about an element's properties based on its location relative to other elements.
How did Dmitri Menedeleyev arrange elements on his first periodic table?
Dmitri Mendeleev arranged elements on his first periodic table by increasing atomic mass and grouping elements with similar properties together. He left gaps for missing elements and predicted the properties of these undiscovered elements based on their position in the table.
What did Mendeleev predict about the periodic table?
Dmitri Mendeleev predicted the existence and properties of several elements that were later discovered and filled gaps in the periodic table. He also predicted the properties of these elements based on their position in the periodic table.
Who predicted the existence and properties of three undiscovered elements?
You think probable to Dimitri Mendeleev.
