Respuesta :

sidneyboker
H2 is 2 Hydrogen atoms bonded and Fe is iron. (you can always find a periodic table on the internet, too, if your not sure!)

Answer:

H₂ and Fe represent ELEMENTS.

Explanation:

Elements are the simplest form of matter that have a unique set of properties. Iron is a chemical element (Fe) and Hydrogen is a chemical element (H₂).