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what makes an element an alkaline earth metal

All the discovered alkaline earth metals occur in nature. Similarly, all the alkaline earth metals react with the heavier group 15 elements to form binary compounds such as phosphides and arsenides with the general formula M 3 Z 2. All of the alkaline earth metal atoms have a +2 oxidation state. They are all in the second column of the periodic table. The exception is for beryllium. Alkali metal, any of the six chemical elements that make up Group 1 (Ia) of the periodic table—namely, lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr). The elements of the alkaline earth metals include beryllium, magnesium, calcium, strontium, barium, and radium. But once again, beryllium has low reaction. Higher lattice energies cause the alkaline earth metals to be more reactive than the alkali metals toward group 15 elements. The alkaline earth metals have the high thermal and electrical conductivity. Alkaline earth metals Alkaline earth material is any element that you can find in the second column of the periodic table for example: beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), radium (Ra). Alkaline Earth Metals . (7.1) a. element in baking soda that turns a flame yellow b. metallic element found in limestone c. radioactive alkali metal 34. The alkali metals are so called because reaction with water forms alkalies (i.e., strong bases capable of neutralizing acids). All the alkaline earth metals have two electrons in their valence shell, so they lose two electrons to form cations with a 2+ charge. (7.1) 33. Classification: Alkaline Earth Metals Discovery: 1798 Discoverer: Fredrich Wohler Uses: spacecraft, missiles, aircraft. The alkaline earth metals are a group of elements in the periodic table. They are sometimes referred to as the group 2 elements. Because of their reactivity, alkaline earth metals do not occur naturally in their elemental state. Identify the element that fits each description. This is the second most reactive family of elements in the periodic table.Do you know why they are called alkaline?When these compounds are mixed in solutions, they are likely to form solutions with a pH greater than 7. What elements are alkaline earth metals? When these metals are mixed in solutions, they create a pH that is higher than 7, a level that is defined as alkaline. You will find the alkaline earth metals right next door in Group II. On alkaline earth metal ions? But there is one element which creates the covalent bond. The alkaline earth metals get their name because of their reactive properties. Heading to Group Two So we just covered the alkali metals in Group I. When you mix the elements with water, they react strongly. Reactions of Alkaline Earth Metals. (7.1) 35. The alkaline earth metals are a family of chemical elements that make up the second group of the modern periodic table. The alkaline earth metals comprise the group 2 elements. The alkaline earth metals are found in group IIA of the periodic table, which is the second column of elements. List some ways group 2A elements differ from group 1A elements. Name: Magnesium Symbol: Mg Atomic Number: 12 Atomic Mass: 24.3 Number of Protons/Electrons: 12 Number of Neutrons: 12 Classification: Alkaline Earth Metals Most elements in alkaline earth metal present the ionic bonds. See more. Alkaline-earth metal definition, any of the group of bivalent metals including barium, radium, strontium, calcium, and, usually, magnesium, the hydroxides of which are alkalis but less soluble than those of the alkali metals. Facts about Alkaline Earth Metals 1: ionic bonds. Atomic radius Moving from the top to the bottom … Like the alkali metals, these elements are found in compounds rather than pure form. They are called earth metals because their compounds were first found in plant remains in soil. 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