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Based on the properties you described, the unknown element is likely a metal. Metals are typically shiny and good conductors of electricity. You could also predict that it is likely malleable and ductile, as these are common properties of metals.
This is a very wordy response, but by setting up the Periodic Table according to elements' properties and characteristics, he was able to predict any given elements' properties because, with the way the Periodic Table is arranged, all of the elements surrounding any specific element would have similar properties to the element that they surrounded. For example, at the time there was no element known as Aluminum, but given the properties of the elements around that area (Group 13), he was able to correctly predict Aluminum's properties. When aluminum was discovered, Mendeleev's predictions were extremely close to the actual element's properties.
The element that would have properties most similar to the new element would be an element that lies in the same group as the new element. Specifically, the element with the most similar properties will lie directly above or below that element in the group.
If an element were broken down into its smallest particles, you would get atoms of that element. Each atom is the smallest unit of an element that retains the properties of that element.
Bart would have properties more similar to those of the element Twee because they are both nonmetals with similar atomic structures and chemical behaviors. Grom, being a metal, would have different properties from those of Twee.
Ekasilicon was the name appointed by Mendeleev to the undiscovered germanium; germanium has similar chemical properties to silicon and tin.
The properties of element 114, also known as ekasilicon, are mainly predicted based on its position in the periodic table. Similar to silicon, ekasilicon is expected to exhibit some semiconducting properties due to its position in the carbon group. Its properties may also be influenced by its electron configuration and atomic structure. Additional experimental data may be needed to accurately determine its physical and chemical properties.
Based on the properties you described, the unknown element is likely a metal. Metals are typically shiny and good conductors of electricity. You could also predict that it is likely malleable and ductile, as these are common properties of metals.
It can't. the properties of an element determine it's group placement, without knowledge of these properties (or, indeed, the element itself) it would be impossible to place an element in it's proper place 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.
I would expect the atomic mass of ekasilicon (silicon in the 14th element group of the periodic table) to be around 72 amu, as it is located in the same group as silicon. The atomic mass of an element is determined by averaging the isotopic masses of its naturally occurring isotopes, weighted by their abundance.
This is a very wordy response, but by setting up the Periodic Table according to elements' properties and characteristics, he was able to predict any given elements' properties because, with the way the Periodic Table is arranged, all of the elements surrounding any specific element would have similar properties to the element that they surrounded. For example, at the time there was no element known as Aluminum, but given the properties of the elements around that area (Group 13), he was able to correctly predict Aluminum's properties. When aluminum was discovered, Mendeleev's predictions were extremely close to the actual element's properties.
The element that would have properties most similar to the new element would be an element that lies in the same group as the new element. Specifically, the element with the most similar properties will lie directly above or below that element in the group.
No. The smallest particle of an element that has the properties of that element is an atom.
If a colorless odorless gas combined with a magnetic metallic element, a reasonable prediction would be that the metal is either Fe, Co, or Ni. The gas is too hard to predict, but the product will have different properties than each reactant alone.
If an element were broken down into its smallest particles, you would get atoms of that element. Each atom is the smallest unit of an element that retains the properties of that element.
That would be the noble gases