Attempt Quiz on Hydrogen

Hydrogen is the first and lightest element in the periodic table, represented by the symbol H and atomic number 1. It is a colorless, odorless, and highly flammable gas. Hydrogen is the most abundant element in the universe, found in stars, including the Sun, where it helps produce energy through nuclear fusion. On Earth, hydrogen combines with oxygen to form water (H₂O). It is used in making fuels, fertilizers, and even in rocket propulsion. Because of its clean-burning properties, hydrogen is considered an important fuel for the future.