Answer:
Explanation:
The elements in Group I of the periodic table are called alkali metals. They are called alkali metals because they react with water to form alkali solutions. These metals are very reactive; hence they have to be stored under oil to protect them from corrosion by air and waterwaterwater
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Chemical,when you light a match stick, you are starting a chain reaction of the substance chemical formula, making it a chemical change
Explanation:
The structure of Ferrarrisite Ca5(HAs O4)2(AsO4)2
