This page explores the trends in some atomic and physical properties of the Group 2 elements - beryllium, magnesium, calcium, strontium and barium. Block Elements are organised into blocks by the orbital type in which the outer electrons are found. The atomic number of each element increases by one, reading from left to right. These solids have 1)Group 2 2)Group 6 3)Group 15 4)Group 17 25)Which group contains elements in three phases of matter at STP? ... With a two-sided positioning, both the functional product properties and the values or lifestyle are combined as position. Usually, there is no need to store these elements in oil, unlike the group one elements. 1 The amounts of TDS and chloride should be increased by the concentrations of these constituents in the carriage water.. 2 BOD 5 is the biochemical oxygen demand at 20°C over 5 days and is a measure of the biodegradable organic matter in the wastewater.. The alkaline earth metals are six chemical elements in group 2 of the periodic table.They are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). properties 24)At STP, both diamond and graphite are solids composed of carbon atoms. Chemical Properties of Oxygen. The Group 2 elements are all metals with a shiny, silvery-white colour. Members of a group typically have similar properties and electron configurations in their outer shell. That means; these elements have their outermost electrons in the s orbital. 9.Explain, in terms of electron configuration, why the elements in Group 2 have similar chemical properties. The chemical properties of Group 2 elements are dominated by the strong reducing power of the metals. .ch two particle diagrams each represent a sample of one substance? The STP process has 3 elements to realize the segmentation. 1)11 2)17 3)12 4)18 26)Which group in the Periodic Table contains elements that are all gases at STP? (3) Both group 1 and group 2 elements produce white ionic compounds. You will find separate sections below covering the trends in atomic radius, first ionisation energy, electronegativity and physical properties. Oxygen is a member of the chalcogen group on the periodic table and is a highly reactive nonmetallic element. For a metal, alkali earth metals tend to have low melting points and low densities. Period A horizontal row in the periodic table. There are multiple ways of grouping the elements, but they are commonly divided into metals, semimetals (metalloids), and nonmetals. At standard temperature and pressure (STP), two atoms of the element bind to form dioxygen, a colorless, odorless, tasteless diatomic gas with the formula O 2. Included in the group two elements are Beryllium(Be), Magnesium(Mg), Calcium(Ca), Strontium(Sr), and Barium(Ba). 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. Group 2 elements generally react to form compounds in which the group 2 element has an oxidation state of +2, beryllium will also do this but it has a tendency to form covalent rather than ionic compounds. Key O = atom of oxygen = atom of hydrogen = atom of chlorine 28. The elements have very similar properties: they are all shiny, silvery-white, somewhat reactive metals at standard temperature and pressure.. There are several characteristics on which the target group is segmented. You'll find more specific groups, like transition metals, rare earths, alkali metals, alkaline earth, halogens, and noble gasses. The elements become increasingly electropositive on descending the Group. 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