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Alkali metals can be cut with a knife because they are soft and have low melting points. Iron cannot be cut easily with a knife because it is a strong and hard metal. The differences in properties between alkali metals and iron make alkali metals easier to cut with a knife.

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1y ago

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Why the group 1 element of periodic table are called alkali metals?

Group 1A elements are active metals. They are so active that they are never found free in nature. They are usually stored in oil. They form compounds with oxygen that dissolve in water to give solutions that are alkaline or caustic. They are called alkali metals, or simply the alkalis.


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They are highly reactive metals, reacting with water (explosively) and air. In nature they simply would not last very long at all! i don't know. but i am in chemestry and i need to know. what i know so far is, that the are found in common substances. if you are a chemestry teacher you should know! :) plese get back to me by december 13th. i have a short exam then. but i also know that They are unstable in air and in water (moisture).