You are watching: Elements with similar properties are located
The rememberingsomer.comical actions of atoms is controlled by their electron configuration. Due to the fact that the households of aspects were arranged by their rememberingsomer.comical behavior, that is predictable that the separation, personal, instance members of each rememberingsomer.comical family will have similar electron configurations.
Families of the periodic Table
Remember that Mendeleev i ordered it the regular table for this reason that aspects with the most similar properties were placed in the same group. A group is a vertical pillar of the periodic table. Every one of the 1A aspects have one valence electron. This is what causes these aspects to reaction in the same means as the other members the the family. The elements in 1A space all an extremely reactive and type compounds in the same ratios with similar properties with other elements. Due to the fact that of their similarities in your rememberingsomer.comical properties, Mendeleev placed these elements into the very same group. Group 1A is also known together the alkali metals. Back most steels tend come be an extremely hard, these steels are in reality soft and also can be quickly cut.
Group 2A is likewise called the alkaline planet metals. Once again, because of their similarities in electron configurations, these elements have comparable properties to each other. The exact same pattern is true the other teams on the periodic table. Remember, Mendeleev arranged the table for this reason that facets with the most similar properties to be in the same team on the periodic table.
It is vital to identify a couple of other important groups on the regular table by their group name. Group 7A (or 17) facets are likewise called halogens. This group contains an extremely reactive nonmetal elements.
The noble gases space in group 8A. This elements also have comparable properties to each other, the most far-ranging property being the they are incredibly unreactive, rarely developing compounds. We will find out the reason for this later, once we talk about how link form. The facets in this group are likewise gases in ~ room temperature.
If you can locate an element on the regular Table, you have the right to use the element"s position to figure out the energy level of the element"s valence electrons. A period is a horizontal row of aspects on the routine table. Because that example, the facets sodium (\(\ceNa\)) and magnesium (\(\ceMg\)) room both in period 3. The aspects astatine (\(\ceAt\)) and also radon (\(\ceRn\)) space both in period 6.
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