Since sodium reacts slower than other alkali metals, the reaction is so intense. It just burns for a while.
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Sodium is a chemical element which has the symbol Na (Latin: natrium), atomic number 11, atomic mass 22.9898 g/mol, oxidation number +1.
Watch how a "marshmallow" is made using just a few chemical elements.
A piece of heated potassium is placed in chlorine. The reaction is violent and instantaneous which causes it to burn.
Potassium is a chemical element. It has the symbol K (Latin: kalium) and atomic number 19.
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