Respuesta :
Answer:
dihydrogen monoxide. The 2 is the subscript for H symbolises the presence of 2 Hydrogen atoms.
Explanation:
Answer: If we want to represent two atoms of hydrogen, instead of writing H H, we write H2.
Explanation:
The subscript "2" means that two atoms of the element hydrogen have joined together to form a molecule. A subscript is only used when more than one atom is being represented. ... Some more common molecules and their chemical formula.
