This page explores the trends in some atomic and physical properties of the Group 2 elements – beryllium, magnesium, calcium, strontium and barium. Trends in properties. Group 1: Alkali metals. Included in the group two elements are Beryllium(Be), Magnesium(Mg), Calcium(Ca), Strontium(Sr), and Barium(Ba). Having two valence electrons makes this group reactive, meaning the elements want to combine with other elements, not just water. Atomic size: as you descend the group there is a rise in the number of shells. Other characteristics most … Group II elements are very reactive metals. The alkali metals have their outermost electron in an s-orbital and this electronic configuration results in their characteristic properties. It includes beryllium, magnesium, calcium, strontium, barium, and radium. Group 2 Elements are called Alkali Earth Metals. Physical properties of Alkaline Earth Metals; Chemical properties of Alkaline Earth Metals; Uses of Alkaline Earth Metals; Define Alkaline Earth Metals. The relative solubilities of the hydroxides of the elements Mg–Ba in water. A/AS level. The group II elements are known as the alkali earth metals.They are all reactive metals and, apart from magnesium and calcium which are found abundant within the Earth’s crust, are relatively rare.. Group II elements have the outer shell configuration ns 2.. Properties of individual atoms. You'll find more specific groups, like transition metals, rare earths, alkali metals, alkaline earth, halogens, and noble gasses. All group 2 elements have two valence electrons, or the electrons furthest from the nucleus, which makes them reactive, meaning the elements want to combine with other elements. The most common oxidation state found is +2. The periodic table also provides key information about the properties of elements (Figure 1)—often indicated by … Going down the group, the first ionisation energy decreases. Usually, there is no need to store these elements in oil, unlike the group one elements. Group 2 elements are known as Alkaline Earth Metals. There are multiple ways of grouping the elements, but they are commonly divided into metals, semimetals (metalloids), and nonmetals. Because of these characteristics, the elements are arranged into the periodic table of elements, a chart of the elements that includes the atomic number and relative atomic mass of each element. They have low electronegativity and are readily oxidised, they always exhibit an oxidation state of +2 in their compounds. They are called s-block elements because their highest energy electrons appear in the s subshell. 2.11 Group II elements and their compounds. Group 2, the alkaline earth metals. AQA Chemistry. Alkali Earth Metals – Group 2 Elements. This is because the two outer s electrons are readily lost during a reaction to achieve a noble gas configuration; M → M²⁺ + 2e⁻ ; where M = A Group II element . For a metal, alkali earth metals tend to have low melting points and low densities. Progressing down group 2, the atomic radius increases due to the extra shell of electrons for each element. The key difference between group 1 and group 2 elements is that all group 1 elements have unpaired electrons in their outermost orbital, whereas group 2 elements have paired electrons in their outermost orbital.. Groups 1 and 2 of the periodic table contain s block elements. You will find separate sections below covering the trends in atomic radius, first ionisation energy, electronegativity and physical properties. 2.11.8 recall the solubility trends of the sulfates and hydroxides; and ; England. good electrical conductivity and electronegativities less than 1.7 which statement describes the general trends in electronegativity and atomic radius as the elements in period 2 are considered in order from left to right? That means; these elements have their outermost electrons in the s orbital. Inorganic chemistry. which properties are characteristics of group 2 elements at STP? The alkali metals provide the best example of group trends in properties in the periodic table, with elements exhibiting well … Properties of Group 2 Elements These valence electrons are typically the electrons involved in reactions. Atomic size: as you descend the group, the atomic radius, first energy... 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