Question

Write down the symbol, atomic number, and atomic mass of hydrogen.

Answer 1

• Symbol is a short representation of the name of element. Hydrogen is an element with the symbol H.
• The atomic number is the number of protons present in any element. The atomic number of hydrogen is 1.
• Atomic mass is the sum of a number of neutrons and protons in an element. The atomic mass of hydrogen is 1 because hydrogen has no neutron.