Simplify the following text for a Grade 8 native English-speaking person.
Original: The International Union of Pure and Applied Chemistry ( IUPAC ) adopted unnilquadium , Unq , as a temporary , systematic element name , derived from the Latin names for digits 1 , 0 , and 4 .
Simplified: The International Union of Pure and Applied Chemistry ( IUPAC ) decide the name of elements that should be used by everyone . They used unnilquadium ( Unq ) as a temporary name .