How many grams does an atom of hydrogen weigh?

The weight of a hydrogen atom is approximately 1.008 atomic mass units (amu). In terms of grams, this translates to about 1.67 x 10^-24 grams. This tiny mass reflects the atom's fundamental role in the universe, as hydrogen is the simplest and most abundant element.

Understanding Atomic Mass

Atomic mass units are a standard way to express the mass of atoms. For hydrogen:

• 1 amu is defined as one twelfth the mass of a carbon-12 atom.
• Hydrogen's atomic mass is slightly more than 1 amu due to the presence of its single proton and electron.

Importance of Hydrogen

Hydrogen is crucial in various chemical reactions and is a key component of water and organic compounds. Its lightweight nature allows it to play a significant role in energy production and storage.