Question

answer the question regarding the following chemical reaction: 2h₂ + o₂ → 2h₂o. what element is h? mercury, hassium, hydrogen, helium

Explanation:

In the periodic table, the symbol H represents hydrogen. It is a common element involved in many chemical reactions such as the one shown ($2H_2 + O_2
ightarrow2H_2O$).

Answer:

Hydrogen