Rubidium, lithium, and cesium are more rare, making up, in order, 0.03, 0.007, and 0.0007 percent of the Earth’s crust. The most common of these elements are sodium and potassium. Petersburg, Russia) Russian chemist who developed the periodic classification of the elements. Their name refers to the alkaline substances that form when these elements react with water. Dmitri Mendeleev (born January 27 (February 8, New Style), 1834, Tobolsk, Siberia, Russian Empiredied January 20 (February 2), 1907, St. You can effortlessly find every single detail about the elements from this single Interactive Periodic table. The alkali metals form Group I of the periodic table. Let me tell you how this Interactive Periodic Table will help you in your studies.ġ). List of chemical elements Heres a list of all of the chemical elements of the periodic table ordered by increasing atomic number. Free Gift for you: Interactive Periodic Table In this way, the elements of the same group show similar chemical properties and they also have the same number of valence electrons. They are soft and can be cut easily with a kitchen knife.Īlso all the elements of group 1 have one valence electron.Īll the elements of group 18 are chemically inert (that means they do not easily react with other elements).Īnd all the elements of group 18 have a complete octet (that means they have 8 electrons in their outer shell). representative element: (also, main-group element) element in columns 1, 2, and 1218. Group 3-12: Transition and Inner transition metals group. periodic table: table of the elements that places elements with similar chemical properties close together. ![]() ![]() Group 1: Alkali metals group (hydrogen not included) Group 2: Alkaline earth metals group. The elements lying in the same groups show similar chemical properties and they also have same number of valence electrons.Īll the elements of group 1 are highly reactive to water. Groups in Periodic Table (With Group Names) There are total 18 different groups in Periodic table. There are total 18 vertical columns on periodic table. Groups are the vertical columns on the periodic table.
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