1.

Riddle:Ice melts when heated up. But I solidify when I'm heated up. What am I?

Answer»

Explanation:

The letter "J" is the only ONE not found on the PERIODIC table.

In some COUNTRIES (e.g., Norway, POLAND, Sweden, Serbia, Croatia), the element iodine is known by the NAME jod. However, the periodic table still uses the IUPAC symbol I for the element.



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