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What is iss the most common element in the universe?​

Sagot :

Answer:

Hydrogen

Explanation:

Hydrogen is the most common element in the universe because it was the first element formed after the Big Bang and is the primary building block of stars and galaxies. Its simplicity and abundance make it the most prevalent element.

The most common element in the universe is hydrogen.

Characteristics of Hydrogen

  • Abundance - Hydrogen constitutes approximately 75% of the elemental mass of the universe, making it the most abundant element. It is primarily found in stars, gas giants, and interstellar gas clouds.
  • Simplicity - Hydrogen is the simplest and lightest element, with one proton and one electron. It has an atomic number of 1.
  • Reactivity - Hydrogen is highly reactive and readily forms compounds with other elements. It is a major component of water (H₂O) and organic compounds.