The alkaline earth metals are named after their oxides, the alkaline earths, whose old-fashioned names were beryllia, magnesia, lime, strontia, and baryta. Select a subject to preview related courses: Radium is an extremely unstable and radioactive element. - Definition, Formula & Examples, What is Nickel? This group includes beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba) and radium (Ra). 7. All the alkaline earth metals readily lose their two outermost electrons to form cations … The energy it takes to remove an electron from an element is called the ionization energy. As a member, you'll also get unlimited access to over 83,000 | {{course.flashcardSetCount}} 8. Create your account. Write the usual … The alkaline earth metals have similar properties, Their densities are higher than the alkali metals densities. These oxides are basic (alkaline) when combined with water. He has a master's degree in Physics and is pursuing his doctorate study. - Formula & Reactions, What is Sodium? flashcard set, {{courseNav.course.topics.length}} chapters | The energy it takes to remove an electron from an element is called the ionization energy. The alkaline earth metals are all shiny, silver-white and they are good conductors of the heat and the electricity. False, because the correct statement is, The radioactive and unstable element derived from uranium is known as radium. The elements that belong in the alkaline earth metal group are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radon (Rn). We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Beryllium is a steel-gray metal that is found in emeralds. 3. For more information contact us at info@libretexts.org or check out our status page at https://status.libretexts.org. Alkaline earth metals get the name 'alkaline' because of the basic nature of the compounds they form when bonded with oxygen. CHEMICAL PROPERTIES OF ALKALINE EARTH METALS The chemical reactions of the alkaline earth metals are quite comparable to that of alkali metals. - Definition, Uses & Facts, Biological and Biomedical Includes trends in atomic and physical properties, trends in reactivity, the solubility patterns in the hydroxides and sulfates, trends in the thermal decomposition of the nitrates and carbonates, and some of the atypical properties of beryllium. Earn Transferable Credit & Get your Degree, Alkaline Earths (Group 2A Elements): Definition & Properties, Alkali Metals (Group 1A Elements): Definition & Properties, Alkali Metal Elements: Properties, Characteristics & Reactions, Noble Gases: Definition, List & Properties, Chalcogens (Group 6A Elements): Definition & Properties, Properties & Uses of Compounds of Group 2 Elements, Group 3A Elements: Definition & Properties, Halogens (Group 7A Elements): Definition & Properties, What is Boron? 9. 10. Do alkaline earth metals react with water? Although many of these properties are similar to those of the alkali metals (Table 21.3 "Selected Properties of the Group 1 Elements"), certain key differences are attributable to the differences in the valence electron configurations of the two groups (ns 2 for the alkaline earth metals versus ns 1 for the alkali metals). Alkaline earth metals share many similar properties including: They are silvery, shiny, and relatively soft metals. But due to smaller size and greater charge and … study Alkaline earths have low electron affinities and low electronegativities. 43 chapters | (ii) These metals … Alkali Metal Properties The alkali metals exhibit many of the physical properties common to metals, although their densities are lower than those of other metals. All rights reserved. We find these elements in fireworks, vitamins, and even running through our own veins. 10. Calcium and magnesium ions are an important component of human nutrition; calcium ions are necessary for healthy bones and teeth and magnesium ions are necessary for metabolism and muscle function. All other trademarks and copyrights are the property of their respective owners. The LibreTexts libraries are Powered by MindTouch® and are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Did you know… We have over 220 college Reactions that involve electron exchange are called oxidation-reduction or redox reactions. - Formation, Origin & Formula, Soil Contamination: Treatment, Phytoremediation & Bioremediation, Soil Contamination: Definition, Sources & Prevention, Quiz & Worksheet - Summary & Analysis of The Bill of Rights, Quiz & Worksheet - Elements of the Articles of Confederation, Quiz & Worksheet - History of the US Constitution, Quiz & Worksheet - The Federalist Papers Synopsis & Analysis, Quiz & Worksheet - Reading the Treaty of Paris, TExES Life Science: Matter & Atomic Structure, California Sexual Harassment Refresher Course: Supervisors, California Sexual Harassment Refresher Course: Employees. When combined with water too, but only if it 's boiling are lost Review page to more! Compare those of the basic nature of their metal hydroxides silicate in many common such! 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