They are not! It is a prevalent myth that the elements are organized so that elements with the same configuration are organized into the same group, but all that really matters is the number of valence electrons, and that much is guaranteed by the arrangement in order of atomic number.
So we have for example in group 10, Ni with configuration [Ar] 3d8 4s2 , Pd with configuration [Kr] 4d10 , and Pt with configuration [Xe] 4f14 5d9 6s1.
Group 4 is characterized (supposedly) by the electron configuration d2 s2 but thorium which has this configuration is not placed in this group but in the actinides.
I suppose that you think to gallium.
a row going acrossNOT to be confused with groups or families which go down in columns and have to do with valence electrons
Electron affinity is an elements' ability to attract electrons and is variable for each element. Generally the more electronegative atoms are furthest to the right bottom of the periodic table and ascending to the left the elements lose their electron accepting ability.
Elements are organized in the periodic table by their atomic number, which represents the number of protons in the nucleus of an atom. The atomic number determines the unique properties of each element, and elements with similar properties are grouped together in columns called groups.
Group 2 elements lose 2 electrons to achieve a stable electron configuration.
The periodic table in chemistry is an arrangement that is in tabular form for all the chemical elements. The elements are organized based on their electron configuration, atomic numbers and so on.
The periodic table contains all the known elements, which are the basic building blocks of matter. These elements are organized based on their atomic number, electron configuration, and chemical properties.
because of the electron configuration are different
Yes, understanding the electron configurations of elements can help explain the arrangement of elements on the periodic table. Electron configurations determine an element's chemical properties, reactivity, and position within the table. The periodic table is organized based on recurring patterns in electron configurations, such as the filling of energy levels and sublevels.
groups
An element's electron configuration determines its chemical properties, which in turn influence its placement on the periodic table. Elements with similar electron configurations tend to exhibit similar chemical behavior and are grouped together on the periodic table in columns (groups). The periodic table is organized based on similarities in electron configurations to help predict an element's properties based on its location.
No, there is only one periodic table. The periodic table is a tabular arrangement of chemical elements, organized based on their atomic number, electron configuration, and recurring chemical properties. It provides a systematic representation of the elements and is universally recognized and used in chemistry.
The periodic table is a tabular arrangement of the chemical elements organized by their atomic number, electron configuration, and recurring chemical properties. It provides a systematic way to categorize and display the elements based on their shared characteristics and relationships.
The periodic table is organized in rows and colums called periods and groups. each period in the table helps correspond to the filling of a configuration of the outermost electron shells of their atoms.
Elements in Group 2 of the periodic table will have an electron configuration that ends in s2. This group includes elements such as beryllium, magnesium, and calcium. They have two electrons in their outermost s sublevel.
Elements in the periodic table have a unique number of protons in their nucleus, which determines their atomic number and identity. They also have characteristic properties based on their electron configuration, which influences their chemical behavior. Additionally, elements in the periodic table are organized based on their atomic structure and properties.
Electron configuration is the arrangement of elements according to their increasing atomic numbers whiles period is the arrangement of elements according to the increasing number of valence electrons.