Question

answer the question regarding the following chemical reaction: 2h₂ + o₂ → 2h₂o. what does the little 2 stand for in o₂? the number of neutrons the number of atoms in the formation of that molecule the atomic mass the number of electrons

Explanation:

In a chemical formula, the sub - script number indicates the number of atoms of the element it follows. In $O_2$, the '2' means there are 2 oxygen atoms.

Answer:

the number of atoms in the formation of that molecule