define alkali metal in chemistry
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Alkali Metal Definition Share. Alkali Metal Definition: An alkali metal is any of the elements found in Group IA of the periodic table. Alkali metals are very reactive chemical species which readily lose their one valence electron to form ionic compounds with nonmetals.
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alkali noun. 1  A carbonate or hydroxide of an alkali metal, the aqueous solution of which is bitter, slippery, caustic, and characteristically basic in reactions. 2  Any of various soluble mineral salts found in natural water and arid soils.3  Alkali metal.oun. 1  A carbonate or hydroxide of an alkali metal, the aqueous solution of which is bitter, slippery, caustic, and characteristically basic in reactions. 2  Any of various soluble mineral salts found in natural water and arid soils.
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Alkali metals Alkali metals. The six elements belonging to group 1 of the periodic table, namely lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs) and francium (Fr) are called alkali metals.ature of the compounds. The compounds of the alkali metals are ionic in nature. Alkali metals form cations readily by losing the valence electrons (due to the low ionization energies and large atomic sizes). They go on to form ionic bonds with the non-metals of the 'p' block.
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Elements for Kids The alkali metals are a group of elements in the periodic table. They are all in the first column of the periodic table.The only element in the first column that is not usually considered an alkali metal is hydrogen. Hydrogen and the alkali metals make up the group 1 elements of the periodic table.hey are all in the first column of the periodic table. The only element in the first column that is not usually considered an alkali metal is hydrogen. Hydrogen and the alkali metals make up the group 1 elements of the periodic table.
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- In chemistry, an alkali (/ˈaelkəlaɪ/ ; ˈælkəlaɪ From: arabic-al qaly, القلي, “القالي ashes of the”) saltwort is a, basic ionic salt of an alkali metal or alkaline earth metal chemical. element
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POTASSIUM ALKALI METAL. Potassium was discovered by Sir Humphry Davy (GB) in 1807. The origin of the name comes from the Arabic word qali meaning alkali (the origin of the symbol K comes from the Latin word kalium). It is a soft, waxy, silver-white metal. Fresh surfaces have a silvery sheen.
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- The Alkali Metals are the first group in the periodic table. They include Lithium, Sodium, Potassium, Rubidium, Cesium, and Francium. The Alkali Metals have closer similarities between the elements than in any other group of the periodic table.
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alkali metal Noun. 1. alkali metal-any of the monovalent metals of group I of the periodic table (lithium or sodium or potassium or rubidium or cesium or francium); the hydroxides of the alkali metals are strongly alkaline. alkaline metal.
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Alkali In chemistry, an alkali (/ˈælkəlaɪ/; from Arabic: al-qaly القلي, القالي , “ashes of the saltwort”) is a basic, ionic salt of an alkali metal or alkaline earth metal chemical element. An alkali also can be defined as a base that dissolves in water. A solution of a soluble base has a pH greater than 7.0. The adjective alkaline is commonly, and alkalescent less often, used in English as a synonym for basic, especially for bases soluble in water.
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Alkaline earth metals on the Periodic table This is because the metals can easily lose their single outermost electron. Alkali earth metals. Alkali earth metals are also known as Alkaline earth metals and are placed in Group 2 elements of the Periodic Table. All the six elements of this group are found in the Earth’s crust, but not in the elemental form.
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Alkali metal Lithium is the lightest metallic element. The alkali metals have low melting points, ranging from a high of 179 °C (354 °F) for lithium to a low of 28.5 °C (83.3 °F) for cesium. Alloys of alkali metals exist that melt as low as −78 °C (−109 °F). The alkali metals react readily with atmospheric oxygen and water vapour.
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- Gramatically alkaline is an adjective and alkali is a noun, e.g. alkaline batteries. In chemistry they are different elements. The alkali metals are a common family of eleme … nts, i.e. group 1 of the periodic table, and consist of metals like lithium, sodium and potsium.
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- The alkali metals are a common family of elements found in group 1 of the periodic table. This group consists of the metals, Lithium(Li), Sodium(Na), Potassium(K), Rubidium(Rb …), Caesium(Cs), Francium(Fr).Alkali metals react violently with water and give off flammable hydrogen.he alkali metals are a common family of elements found in group 1 of the periodic table. This group consists of the metals, Lithium(Li), Sodium(Na), Potassium(K), Rubidium(Rb …), Caesium(Cs), Francium(Fr).
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- In chemistry, an alkali (/ˈaelkəlaɪ/ ; ˈælkəlaɪ From: arabic-al qaly, القلي, “القالي ashes of the”) saltwort is a, basic ionic salt of an alkali metal or alkaline earth metal chemical. Element an alkali also can be defined as a base that dissolves in. Water a solution of a soluble base has pH ph greater than.7. 0n chemistry, an alkali (/ˈaelkəlaɪ/ ; ˈælkəlaɪ From: arabic-al qaly, القلي, “القالي ashes of the”) saltwort is a, basic ionic salt of an alkali metal or alkaline earth metal chemical. Element an alkali also can be defined as a base that dissolves in. water
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What are 4 properties of metals? How are they different from other metals? And what are uses for metals? valence electrons Definition: The electrons in an atoms outermost electron shell that dictate how elements interact Context: The single valence electron in the alkali metals makes them very unstable and they easily lose this electron to other elements. http://en.wikipedia.org/wiki/Metallurgy.
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- The Alkali Metals are the first group in the periodic table. They include Lithium, Sodium, Potassium, Rubidium, Cesium, and Francium.The Alkali Metals have closer similarities between the elements than in any other group of the periodic table.For example each element shares the physical characteristics of being soft and silvery in color.. Alkali Metals include Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), Cesium (Cs), and Francium (Fr). 3. Alkali Metals have one electron in the outer shell that is easily given off. 4. Alkali Metals become +1 charged cations (any positively charged ion is called a cation) when they give away an electron.
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- 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).[1] The elements have very similar properties: they are all shiny, silvery-white, somewhat reactive metals at standard temperature and pressure.[2]
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alkaline-earth metals alkaline-earth metals. metals constituting Group 2 of the periodic table periodic table,chart of the elements arranged according to the periodic law discovered by Dmitri I. Mendeleev and revised by Henry G. J. Moseley.
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Alkaline earth metal Alkaline earth metal. 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). The elements have very similar properties: they are all shiny, silvery-white, somewhat reactive metals at standard temperature and pressure.
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Alkaline earth metal The alkaline earth metals are six chemical elements in column (group) 2 of the Periodic table. They are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra).he alkaline earth metals are six chemical elements in column (group) 2 of the Periodic table. They are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra).
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Alkaline-earth metal Alkaline-earth metal, any of the six chemical elements that comprise Group 2 (IIa) of the periodic table. The elements are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). Modern version of the periodic table of the elements.
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Alkali Metals Alkali Metals. Group I of the Periodic Table is composed of highly reactive metals. They react vigorously with water to produce hydroxides and release hydrogen. Even in air they react quickly to cover their surfaces with oxides. In nature they are found in ionic compounds, but never in the pure state. Their chemical activity increases as you move downward through the periods from Li to Na to K, etc.
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Alkali metal The characteristic flame colours of the alkali metals (red, yellow, violet, red, and blue for Li, Na, K, Rb, and Cs, respectively) are qualitative indicators of the modern analytical methods used to determine the concentrations of alkali-metal salts in aqueous solution.
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Alkali metal Alkali metal, periodic tableEncyclopædia Britannica, Inc.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).