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Sodium fires are not put off with water, because sodium reacts instantly with water and hydrogen gas evolves which burns with a pop sound by the effect of the heat of the reaction. Alkali metal, any of the six elements of Group 1 (Ia) of the periodic table—lithium, sodium, potassium, rubidium, cesium, and francium. Group2 elements are called alkaline earth metals because their earths(old name for oxides) are basic (alkaline)manyof the group2 elements are extracted from the earth They are called as alkali metals because,in ancient times they called the metals which forms hydroxides as alkali metals Why are the group one elements called alkali metals? 2K + 2H 2 O → 2KOH + H 2 ↑. Alkali metals include lithium, sodium, potassium, rubidium, and cesium. Furthermore, why the elements of Group 1a are called alkali metals? Name the elements (alkali metals) which form superoxide when heated in excess of air. These metals are called alkali metals because they form alkalies( i.e. Group 1 elements reacts with water it forms strong bases. The elements of the 17th GROUP of the periodic table are called halogens. ‍ 3. asked 6 days ago in Chemistry by Maisa (43.5k points) s-block elements; 2Na + 2H 2 O → 2NaOH + H 2 ↑. Why are group I elements called alkali metal? Alkali metals are in Group 1 of the periodic table and all have 1 valence electron that they readily lose to become more stable. asked 6 days ago in Chemistry by Maisa (43.5k points) s-block elements; class-11; 0 votes. Alkali metals. Transition Metals. Elements of group 1 are called. Alkali metals are the elements of group 1 of the periodic table that when reacts with water, produces an alkaline solution, along with the release of hydrogen gas. My teacher said that . because The group 1 of the periodic table contain six elements namely Lithium(Li), Sodium(Na),Potassium(K),Rubidium(Rb),Cesium(Cs) and Francium(Fr). 1 answer. As you go from left to right across the periodic table, the elements go from _to _. Group1 elements are called alkali metals because the hydroxides of these elements are soluble in water and they are Basic(alkaline)in nature. The alkali metals are located in the first column of the periodic table and include all the elements in that column except for hydrogen. Strong bases are called alkali The elements of the 1st GROUP of the periodic table are called alkali metals. 1st groups all the elememts like as H,Li, Na,K ,Rb,Cs are gets in earth so it is called alkali metals. Elements of the group (1A) in the periodic table are called alkali metals (alkaline metals) because they react with water forming alkaline solutions. Alkali metals. Elements of Group 3-12 are called. Elements of Group 2 are called. Alkaline Earth Metals. 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