The chemical element hydrogen is represented by the letter and atomic number .
It is the most fundamental and fundamental of all the elements in the universe.
Hydrogen is also the lightest element in the periodic table, accounting for of all atoms in the universe.
It is non-toxic, tasteless, colourless, odourless, and extremely flammable.
Dangers of hydrogen:
High levels of this gas can result in an atmosphere that is lacking in oxygen.
People breathing in such an environment may have symptoms such as headaches, ringing in the ears, dizziness, somnolence, unconsciousness, nausea, weariness, and depression in all of their senses.