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Who placed all elements in right place according to properties?
Wiki User
∙ 12y ago
In 1869, Dmitri Mendeleev created the first full version of the Periodic Table, including all known elements and leaving places for:
- Ekaboron or scandium
- Ekaaluminium or gallium
- Ekamanganese or technetium
- Ekasilicon or germanium
Scientists continue filling up the table as new elements are found, a process that goes on today.
Wiki User
∙ 12y ago
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By what two characteristics are all the elements of the periodic table placed in a particular row and column?
Atomic number is the characteristic used to place the elements in their rows. Electron configuration is another characteristic that governs which elements are placed in groups.
Why hydrogen OUTSIDE place in periodic table?
Sometimes it is placed outside the table, because it does not share any properties with the other elements in their groups, including Group 1.
Why did chemists in 1869 not agree with Mendeleev's periodic table?
Everything. LoL, it was made by a female.
How was the person who devised the first periodic table able to predict the behavior of elements such as gallium scandium and germanium that had not even been discovered yet?
The reason the periodic table was created in the first place was to illustrate the "periodic" physical properties of the known elements of the time. Because of this, the properties of elements that were "missing" from the table could be extrapolated from the periodic trends seen in the known elements.
How do the properties of a new substance compare with the properties of the original substances after a chemical change takes place?
the product's properties usually and may differ from the properties of the reactants. Example-salt-sodium, a soft explosive metal and chlorine, a toxic gas. make salt.
By what two characteristics are all the elements of the periodic table placed in a particular row and column?
Atomic number is the characteristic used to place the elements in their rows. Electron configuration is another characteristic that governs which elements are placed in groups.
How did Mendeleev place germanium on the periodic table?
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.
Why hydrogen OUTSIDE place in periodic table?
Sometimes it is placed outside the table, because it does not share any properties with the other elements in their groups, including Group 1.
Why elements are place in a group?
Elements with similar electron configurations are placed in the same group.
Why are the hydrides of mendeleevs group 1 and 7 placed in separate groups?
Mendeleev left gaps in his table to place elements not known at the time. By looking at the chemical properties and physical properties of the elements next to a gap, he could also predict the properties of these undiscovered elements. For example, Mendeleev predicted the existence of 'eka-silicon', which would fit into a gap next to silicon. The element germanium was discovered later. Its properties were found to be similar to the predicted ones and confirmed Mendeleev's periodic table.
What is a tool scientist use to organize the elements?
The elements are arranged in the increasing order of their atomic number and repeating properties.
Which elements in the periodic table are by the place?
Metals are placed at the left. Non-metals are placed at right in periodic table.
What properties can be predicted by the elements place on the periodic table?
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Why are elements place in the same column of the periodic table?
They have similar properties, usually.
What is the important work of dmitr mendeleev?
he invented an early version of the periodic table, and was able to use it to predict what unfound elements properties would be he follow the periodic law and place the similar elements according their mass number.
Why did chemists in 1869 not agree with Mendeleev's periodic table?
Everything. LoL, it was made by a female.
Why is iodine placed on the periodic table of elements?
The periodic table is an array of various elements. Iodine is an element. Hence it finds it place on the periodic table.
